diff --git a/src/components/Forms/CourseForm/CreateCourseForm.tsx b/src/components/Forms/CourseForm/CreateCourseForm.tsx
index dbf4fd6..b6ecaad 100644
--- a/src/components/Forms/CourseForm/CreateCourseForm.tsx
+++ b/src/components/Forms/CourseForm/CreateCourseForm.tsx
@@ -47,7 +47,7 @@ const CreateFormCourse: React.FC<CreateFormCoursePropsType> = () => {
         status: CourseStatusEnum.DRAFT,
       });
 
-      if (course) history.push(`/courses/edit/${course.id}`);
+      history.push(`/courses/edit/${course.id}`);
     } catch (error) {
       console.error(error);
     }
diff --git a/src/components/Forms/CourseForm/EditCourseForm.tsx b/src/components/Forms/CourseForm/EditCourseForm.tsx
index bff3227..4730cbf 100644
--- a/src/components/Forms/CourseForm/EditCourseForm.tsx
+++ b/src/components/Forms/CourseForm/EditCourseForm.tsx
@@ -58,18 +58,16 @@ const EditFormCourse: React.FC<EditFormCoursePropsType> = ({ defaultValues }) =>
     try {
       const updated = await updateCourse(id, data);
 
-      if (updated) {
-        /**
-         * Update fields with new values
-         */
-        form.reset({
-          title: updated.title,
-          description: updated.description,
-          teacher_id: updated.teacher.id,
-          category_id: updated.category.id,
-          image: undefined,
-        });
-      }
+      /**
+       * Update fields with new values
+       */
+      form.reset({
+        title: updated.title,
+        description: updated.description,
+        teacher_id: updated.teacher.id,
+        category_id: updated.category.id,
+        image: undefined,
+      });
     } catch (error) {
       console.error(error);
     }
diff --git a/src/helpers/index.ts b/src/helpers/index.ts
index 71a7dbf..f505833 100644
--- a/src/helpers/index.ts
+++ b/src/helpers/index.ts
@@ -84,3 +84,7 @@ export function arrayMove<T>(array: T[], from: number, to: number) {
   result.splice(to, 0, removed);
   return result;
 }
+
+export function getDirtyFields<T>(dirtyFields: { [key: string]: boolean | undefined }, data: T) {
+  return Object.fromEntries(Object.keys(dirtyFields).map(k => [k, data[k as keyof T]]));
+}
diff --git a/src/hooks/queries/auth/useLogin.ts b/src/hooks/queries/auth/useLogin.ts
index 8ef22c2..f9f311f 100644
--- a/src/hooks/queries/auth/useLogin.ts
+++ b/src/hooks/queries/auth/useLogin.ts
@@ -4,7 +4,7 @@ import { useErrorHandler } from 'react-error-boundary';
 import useAsync from '../../useAsync';
 import { useRootStore } from '../../useRootStore';
 
-type LoginResultDataType = IToken | undefined;
+type LoginResultDataType = IToken;
 
 const useLogin = () => {
   const { authStore } = useRootStore();
diff --git a/src/hooks/queries/course/useCreateCourse.ts b/src/hooks/queries/course/useCreateCourse.ts
index 690dafc..800ceac 100644
--- a/src/hooks/queries/course/useCreateCourse.ts
+++ b/src/hooks/queries/course/useCreateCourse.ts
@@ -6,9 +6,7 @@ import { CreateCourseParamsType } from '@educt/types';
 import { useErrorHandler } from 'react-error-boundary';
 import useAsync from '../../useAsync';
 
-type CreatedCourseDataType =
-  | Pick<ICourse, 'id' | 'title' | 'description' | 'status' | 'created_at' | 'updated_at'>
-  | undefined;
+type CreatedCourseDataType = Pick<ICourse, 'id' | 'title' | 'description' | 'status' | 'created_at' | 'updated_at'>;
 
 const useCreateCourse = () => {
   const toast = useToast();
diff --git a/src/hooks/queries/course/useDeleteCourse.ts b/src/hooks/queries/course/useDeleteCourse.ts
index 6f5553f..9f67b8b 100644
--- a/src/hooks/queries/course/useDeleteCourse.ts
+++ b/src/hooks/queries/course/useDeleteCourse.ts
@@ -4,7 +4,7 @@ import { useErrorHandler } from 'react-error-boundary';
 import { useRootStore } from '@educt/hooks/useRootStore';
 import useAsync from '@educt/hooks/useAsync';
 
-type DeletedCourseDataType = Omit<ICourse, 'teacher' | 'students' | 'lessons'> | undefined;
+type DeletedCourseDataType = Omit<ICourse, 'teacher' | 'students' | 'lessons'>;
 
 const useDeleteCourse = () => {
   const { courseStore } = useRootStore();
diff --git a/src/hooks/queries/course/useFetchCourse.ts b/src/hooks/queries/course/useFetchCourse.ts
index 0e40234..73d4b8d 100644
--- a/src/hooks/queries/course/useFetchCourse.ts
+++ b/src/hooks/queries/course/useFetchCourse.ts
@@ -10,7 +10,7 @@ import { useEffect } from 'react';
 import useAsync from '../../useAsync';
 import { useRootStore } from '../../useRootStore';
 
-type CourseResultDataType = Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'> | undefined;
+type CourseResultDataType = Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'>;
 
 const useFetchCourse = (id: string) => {
   const {
diff --git a/src/hooks/queries/course/useSetCourseStatus.ts b/src/hooks/queries/course/useSetCourseStatus.ts
index b644c13..0797056 100644
--- a/src/hooks/queries/course/useSetCourseStatus.ts
+++ b/src/hooks/queries/course/useSetCourseStatus.ts
@@ -7,11 +7,8 @@ import useAsync from '../../useAsync';
 import { useRootStore } from '../../useRootStore';
 import { useToast } from '@chakra-ui/toast';
 
-type SetCourseStatusResultDataType = {} | undefined;
-export type SetCourseStatusFnType = (
-  id: string,
-  newStatus: CourseStatusEnum
-) => Promise<SetCourseStatusResultDataType | undefined>;
+type SetCourseStatusResultDataType = {};
+export type SetCourseStatusFnType = (id: string, newStatus: CourseStatusEnum) => Promise<SetCourseStatusResultDataType>;
 
 const useSetCourseStatus = () => {
   const { courseStore } = useRootStore();
diff --git a/src/hooks/queries/course/useUpdateCourse.ts b/src/hooks/queries/course/useUpdateCourse.ts
index 98e623d..fd5d872 100644
--- a/src/hooks/queries/course/useUpdateCourse.ts
+++ b/src/hooks/queries/course/useUpdateCourse.ts
@@ -5,7 +5,7 @@ import { UpdateCourseParamsType } from '@educt/types';
 import useAsync from '../../useAsync';
 import { ICourse } from '@educt/interfaces';
 
-type UpdatedCourseDataType = Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'> | undefined;
+type UpdatedCourseDataType = Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'>;
 
 const useUpdateCourse = () => {
   const toast = useToast();
diff --git a/src/hooks/queries/index.ts b/src/hooks/queries/index.ts
index 8c80970..937aeae 100644
--- a/src/hooks/queries/index.ts
+++ b/src/hooks/queries/index.ts
@@ -20,6 +20,9 @@ import { useSetCourseStatus } from './course/useSetCourseStatus';
 /**
  * User
  */
+import { useCreateUser } from './user/useCreateUser';
+import { useDeleteUser } from './user/useDeleteUser';
+import { useUpdateUser } from './user/useUpdateUser';
 import { useUpdateUserEmail } from './user/useUpdateUserEmail';
 
 export {
@@ -30,5 +33,8 @@ export {
   useFetchCourse,
   useSetCourseStatus,
   useDeleteLesson,
+  useCreateUser,
+  useDeleteUser,
+  useUpdateUser,
   useUpdateUserEmail,
 };
diff --git a/src/hooks/queries/lesson/useDeleteLesson.ts b/src/hooks/queries/lesson/useDeleteLesson.ts
index 74fc45c..b747115 100644
--- a/src/hooks/queries/lesson/useDeleteLesson.ts
+++ b/src/hooks/queries/lesson/useDeleteLesson.ts
@@ -4,7 +4,7 @@ import { useErrorHandler } from 'react-error-boundary';
 import useAsync from '../../useAsync';
 import { useRootStore } from '../../useRootStore';
 
-type CreatedLessonDataType = ILesson | undefined;
+type CreatedLessonDataType = ILesson;
 
 const useDeleteLesson = () => {
   const {
diff --git a/src/hooks/queries/user/useCreateUser.ts b/src/hooks/queries/user/useCreateUser.ts
new file mode 100644
index 0000000..9753f2c
--- /dev/null
+++ b/src/hooks/queries/user/useCreateUser.ts
@@ -0,0 +1,43 @@
+import { useErrorHandler } from 'react-error-boundary';
+import { CreateUserParamsType, FetchUsersParamsType } from '@educt/types';
+import { useRootStore } from '@educt/hooks/useRootStore';
+import { useToast } from '@chakra-ui/toast';
+import { IUser } from '@educt/interfaces';
+import useAsync from '@educt/hooks/useAsync';
+
+type CreatedUserDataType = IUser;
+
+const useCreateUser = () => {
+  const { userStore } = useRootStore();
+  const toast = useToast();
+  const handleError = useErrorHandler();
+
+  const createUser = async (data: CreateUserParamsType, paramsContext?: FetchUsersParamsType | undefined) => {
+    try {
+      const result = await userStore.createUser(data, paramsContext);
+      toast({ title: 'User created.', status: 'info' });
+      return result.data;
+    } catch (error: any) {
+      if (error.response) {
+        switch (error.response.status) {
+          case 422:
+            toast({ title: `${error.response.data.errors[0].message}`, status: 'error' });
+            break;
+          default:
+            toast({ title: `${error.message}`, status: 'error' });
+            break;
+        }
+      } else {
+        handleError(error);
+      }
+
+      return Promise.reject(error);
+    }
+  };
+
+  const { execute, ...state } = useAsync<CreatedUserDataType, Parameters<typeof createUser>>(createUser);
+
+  return { createUser: execute, ...state };
+};
+
+export { useCreateUser };
diff --git a/src/hooks/queries/user/useDeleteUser.ts b/src/hooks/queries/user/useDeleteUser.ts
new file mode 100644
index 0000000..6f19f81
--- /dev/null
+++ b/src/hooks/queries/user/useDeleteUser.ts
@@ -0,0 +1,36 @@
+import { useToast } from '@chakra-ui/toast';
+import useAsync from '@educt/hooks/useAsync';
+import { useRootStore } from '@educt/hooks/useRootStore';
+import { IUser } from '@educt/interfaces';
+import { FetchUsersParamsType } from '@educt/types';
+import { useErrorHandler } from 'react-error-boundary';
+
+type DeletedUserDataType = IUser;
+
+const useDeleteUser = () => {
+  const { userStore } = useRootStore();
+  const toast = useToast();
+  const handleError = useErrorHandler();
+
+  const deleteUser = async (id: string, paramsContext?: FetchUsersParamsType | undefined) => {
+    try {
+      const result = await userStore.deleteUser(id, paramsContext);
+      toast({ title: 'User deleted.', status: 'info' });
+      return result.data;
+    } catch (error: any) {
+      if (error.response) {
+        toast({ title: error.message, status: 'error' });
+      } else {
+        handleError(error);
+      }
+
+      return Promise.reject(error);
+    }
+  };
+
+  const { execute, ...state } = useAsync<DeletedUserDataType, Parameters<typeof deleteUser>>(deleteUser);
+
+  return { deleteUser: execute, ...state };
+};
+
+export { useDeleteUser };
diff --git a/src/hooks/queries/user/useUpdateUser.ts b/src/hooks/queries/user/useUpdateUser.ts
new file mode 100644
index 0000000..b4c575e
--- /dev/null
+++ b/src/hooks/queries/user/useUpdateUser.ts
@@ -0,0 +1,43 @@
+import { useErrorHandler } from 'react-error-boundary';
+import { useToast } from '@chakra-ui/toast';
+import { useRootStore } from '@educt/hooks/useRootStore';
+import { UpdateUserParamsType } from '@educt/types';
+import { IUser } from '@educt/interfaces';
+import useAsync from '@educt/hooks/useAsync';
+
+type UpdatedUserDataType = IUser;
+
+const useUpdateUser = () => {
+  const { userStore } = useRootStore();
+  const toast = useToast();
+  const handleError = useErrorHandler();
+
+  const updateUser = async (id: string, params: UpdateUserParamsType) => {
+    try {
+      const result = await userStore.updateUser(id, params);
+      toast({ title: 'User updated.', status: 'info' });
+      return result.data;
+    } catch (error: any) {
+      if (error.response) {
+        switch (error.response.status) {
+          case 422:
+            toast({ title: `${error.response.data.errors[0].message}`, status: 'error' });
+            break;
+          default:
+            toast({ title: `${error.message}`, status: 'error' });
+            break;
+        }
+      } else {
+        handleError(error);
+      }
+
+      return Promise.reject(error);
+    }
+  };
+
+  const { execute, ...state } = useAsync<UpdatedUserDataType, Parameters<typeof updateUser>>(updateUser);
+
+  return { updateUser: execute, ...state };
+};
+
+export { useUpdateUser };
diff --git a/src/hooks/queries/user/useUpdateUserEmail.ts b/src/hooks/queries/user/useUpdateUserEmail.ts
index 3b85d3a..d512946 100644
--- a/src/hooks/queries/user/useUpdateUserEmail.ts
+++ b/src/hooks/queries/user/useUpdateUserEmail.ts
@@ -3,7 +3,7 @@ import { useErrorHandler } from 'react-error-boundary';
 import { useRootStore } from '@educt/hooks/useRootStore';
 import useAsync from '@educt/hooks/useAsync';
 
-type ConfirmationResultDataType = { expired_seconds: number } | null;
+type ConfirmationResultDataType = { expired_seconds: number };
 
 const useUpdateUserEmail = () => {
   const { userStore } = useRootStore();
diff --git a/src/pages/courses/components/DeleteCourseDialog/DeleteCourseDialog.tsx b/src/pages/courses/components/DeleteCourseDialog/DeleteCourseDialog.tsx
index 1f152b7..667bc5f 100644
--- a/src/pages/courses/components/DeleteCourseDialog/DeleteCourseDialog.tsx
+++ b/src/pages/courses/components/DeleteCourseDialog/DeleteCourseDialog.tsx
@@ -32,9 +32,13 @@ const DeleteCourseDialog: React.FC<DeleteCourseDialogPropsType> = ({ onClose, is
 
   const handleDelete = async (isConfirmed: boolean, id: string) => {
     if (isConfirmed) {
-      await deleteCourse(id)
-        .catch(error => console.error(error))
-        .finally(() => setDeletingCourse(undefined));
+      try {
+        await deleteCourse(id);
+      } catch (error: any) {
+        console.error(error);
+      } finally {
+        setDeletingCourse(undefined);
+      }
     }
 
     /**
diff --git a/src/pages/profile/change-email/containers/ConfirmEmailContainer/ConfirmEmailContainer.tsx b/src/pages/profile/change-email/containers/ConfirmEmailContainer/ConfirmEmailContainer.tsx
index 0d21847..5347493 100644
--- a/src/pages/profile/change-email/containers/ConfirmEmailContainer/ConfirmEmailContainer.tsx
+++ b/src/pages/profile/change-email/containers/ConfirmEmailContainer/ConfirmEmailContainer.tsx
@@ -93,13 +93,12 @@ const ConfirmEmailContainer: React.FC<ConfirmEmailContainerPropsType> = ({ data
 
   const resendCodeHandler = async () => {
     const result = await sendConfirmationCode(data.newEmail);
-    if (result !== null) {
-      /**
-       * Reset timer state
-       */
-      const { expired_seconds } = result;
-      setExpired(v => (v = expired_seconds));
-    }
+
+    /**
+     * Reset timer state
+     */
+    const { expired_seconds } = result;
+    setExpired(v => (v = expired_seconds));
   };
 
   return (
diff --git a/src/pages/users/components/CreateUserForm/CreateUserForm.tsx b/src/pages/users/components/CreateUserForm/CreateUserForm.tsx
index be7c710..ecc4e0e 100644
--- a/src/pages/users/components/CreateUserForm/CreateUserForm.tsx
+++ b/src/pages/users/components/CreateUserForm/CreateUserForm.tsx
@@ -31,13 +31,15 @@ import { SubmitHandler } from 'react-hook-form';
 /**
  * Hooks
  */
-import { useContext, useState } from 'react';
-import useIsMountedRef from '@educt/hooks/useIsMountedRef';
+import { useContext } from 'react';
 import { useDisclosure } from '@chakra-ui/hooks';
 import { useForm } from 'react-hook-form';
 import { useRootStore } from '@educt/hooks/useRootStore';
-import { useErrorHandler } from 'react-error-boundary';
-import { useToast } from '@chakra-ui/react';
+
+/**
+ * Hooks
+ */
+import { useCreateUser } from '@educt/hooks/queries';
 
 /**
  * Contexts
@@ -63,6 +65,7 @@ type CreateUserInputType = {
 const CreateUserModal: React.FC<CreateUserFormPropsType> = () => {
   const { userStore } = useRootStore();
   const { searchingRole, search } = useContext(UsersPageContext);
+  const { createUser, isLoading } = useCreateUser();
   const { isOpen, onOpen, onClose } = useDisclosure();
   const {
     register,
@@ -72,10 +75,6 @@ const CreateUserModal: React.FC<CreateUserFormPropsType> = () => {
   } = useForm<CreateUserInputType>({
     resolver: yupResolver(CreateUserSchema),
   });
-  const [loading, setLoading] = useState<boolean>(false);
-  const isMountedRef = useIsMountedRef();
-  const toast = useToast();
-  const handleError = useErrorHandler();
 
   const { me } = userStore;
 
@@ -84,17 +83,14 @@ const CreateUserModal: React.FC<CreateUserFormPropsType> = () => {
   /**
    * Submit handler
    */
-  // TODO: move to hook
   const onSubmit: SubmitHandler<CreateUserInputType> = async data => {
     try {
-      setLoading(true);
-      await userStore.createUser(data, {
+      await createUser(data, {
         page: userStore.pagination?.current_page,
         limit: userStore.pagination?.per_page,
         role: searchingRole,
         search,
       });
-      toast({ title: 'User created.', status: 'info' });
 
       /**
        * Clear form state
@@ -106,19 +102,7 @@ const CreateUserModal: React.FC<CreateUserFormPropsType> = () => {
        */
       onClose();
     } catch (error: any) {
-      if (error.response) {
-        if (error.response.status === 422) {
-          toast({ title: `${error.response.data.errors[0].message}`, status: 'error' });
-        } else {
-          toast({ title: `${error.message}`, status: 'error' });
-        }
-      } else {
-        handleError(error);
-      }
-    } finally {
-      if (isMountedRef.current) {
-        setLoading(false);
-      }
+      console.error(error);
     }
   };
 
@@ -195,7 +179,7 @@ const CreateUserModal: React.FC<CreateUserFormPropsType> = () => {
                 variant='outline'
                 mr={3}
                 colorScheme='blue'
-                isLoading={loading}
+                isLoading={isLoading}
                 loadingText='Creating...'
                 leftIcon={<AddIcon />}
               >
diff --git a/src/pages/users/components/DeleteUserDialog/DeleteUserDialog.tsx b/src/pages/users/components/DeleteUserDialog/DeleteUserDialog.tsx
index df77ec0..54aee08 100644
--- a/src/pages/users/components/DeleteUserDialog/DeleteUserDialog.tsx
+++ b/src/pages/users/components/DeleteUserDialog/DeleteUserDialog.tsx
@@ -18,10 +18,9 @@ import { UsersPageContext } from '@educt/contexts';
 /**
  * Hooks
  */
-import { useContext, useState } from 'react';
+import { useContext } from 'react';
 import { useRootStore } from '@educt/hooks/useRootStore';
-import { useToast } from '@chakra-ui/react';
-import { useErrorHandler } from 'react-error-boundary';
+import { useDeleteUser } from '@educt/hooks/queries';
 
 type DeleteUserDialogPropsType = {
   user: IUser;
@@ -32,9 +31,7 @@ type DeleteUserDialogPropsType = {
 const DeleteUserDialog: React.FC<DeleteUserDialogPropsType> = ({ isOpen, onClose, user }) => {
   const { userStore } = useRootStore();
   const { setDeletingUser, searchingRole, searchingPage, search } = useContext(UsersPageContext);
-  const [isLoading, setIsLoading] = useState<boolean>(false);
-  const handleError = useErrorHandler();
-  const toast = useToast();
+  const { deleteUser, isLoading } = useDeleteUser();
 
   const { pagination } = userStore;
 
@@ -44,26 +41,18 @@ const DeleteUserDialog: React.FC<DeleteUserDialogPropsType> = ({ isOpen, onClose
    * @param isConfirmed Is dialog confirmed
    * @param id User id
    */
-  // TODO: move to hook
   const deleteUserHandler = async (isConfirmed: boolean, id: string) => {
     if (isConfirmed) {
       try {
-        setIsLoading(true);
-        await userStore.deleteUser(id, {
+        await deleteUser(id, {
           page: searchingPage,
           limit: pagination?.per_page,
           role: searchingRole,
           search,
         });
-        toast({ title: 'User deleted.', status: 'info' });
       } catch (error: any) {
-        if (error.response) {
-          toast({ title: error.message, status: 'error' });
-        } else {
-          handleError(error);
-        }
+        console.error(error);
       } finally {
-        setIsLoading(false);
         setDeletingUser(undefined);
       }
     }
diff --git a/src/pages/users/components/EditUserForm/EditUserForm.tsx b/src/pages/users/components/EditUserForm/EditUserForm.tsx
index bdf7265..198b4b7 100644
--- a/src/pages/users/components/EditUserForm/EditUserForm.tsx
+++ b/src/pages/users/components/EditUserForm/EditUserForm.tsx
@@ -1,4 +1,5 @@
-import React, { useContext, useState } from 'react';
+import React, { useContext } from 'react';
+import * as helpers from '@educt/helpers';
 import {
   Modal,
   ModalOverlay,
@@ -25,7 +26,7 @@ import { yupResolver } from '@hookform/resolvers/yup';
 /**
  * Types
  */
-import { IMe, IUser } from '@educt/interfaces';
+import { IUser } from '@educt/interfaces';
 import { UserRoleEnum } from '@educt/enums';
 import { SubmitHandler } from 'react-hook-form';
 
@@ -34,9 +35,6 @@ import { SubmitHandler } from 'react-hook-form';
  */
 import { useForm } from 'react-hook-form';
 import { useRootStore } from '@educt/hooks/useRootStore';
-import { useErrorHandler } from 'react-error-boundary';
-import { useToast } from '@chakra-ui/react';
-import useIsMountedRef from '@educt/hooks/useIsMountedRef';
 
 /**
  * Contexts
@@ -47,6 +45,7 @@ import { UsersPageContext } from '@educt/contexts';
  * Schema
  */
 import UpdateUserSchema from './EditUserForm.validator';
+import { useUpdateUser } from '@educt/hooks/queries';
 
 type UpdateUserFormPropsType = {
   user: IUser;
@@ -66,7 +65,7 @@ type UpdateUserInputType = {
 const UpdateUserForm: React.FC<UpdateUserFormPropsType> = ({ user, onClose, isOpen }) => {
   const { userStore } = useRootStore();
   const { setEditingUser } = useContext(UsersPageContext);
-  const [isLoading, setIsLoading] = useState<boolean>(false);
+  const { updateUser, isLoading } = useUpdateUser();
   const {
     register,
     handleSubmit,
@@ -83,9 +82,6 @@ const UpdateUserForm: React.FC<UpdateUserFormPropsType> = ({ user, onClose, isOp
       password: '',
     },
   });
-  const isMountedRef = useIsMountedRef();
-  const toast = useToast();
-  const handleError = useErrorHandler();
 
   const { me } = userStore;
 
@@ -94,28 +90,13 @@ const UpdateUserForm: React.FC<UpdateUserFormPropsType> = ({ user, onClose, isOp
   /**
    * Submit handler
    */
-  // TODO: move to hook
   const onSubmit: SubmitHandler<UpdateUserInputType> = async data => {
     try {
-      setIsLoading(true);
-      const params = Object.fromEntries(Object.keys(dirtyFields).map(k => [k, data[k as keyof UpdateUserInputType]]));
-      await userStore.updateUser(user.id, params);
-      toast({ title: 'User updated.', status: 'info' });
+      const params = helpers.getDirtyFields<UpdateUserInputType>(dirtyFields, data);
+      await updateUser(user.id, params);
       onCloseModal();
     } catch (error: any) {
-      if (error.response) {
-        if (error.response.status === 422) {
-          toast({ title: `${error.response.data.errors[0].message}`, status: 'error' });
-        } else {
-          toast({ title: `${error.message}`, status: 'error' });
-        }
-      } else {
-        handleError(error);
-      }
-    } finally {
-      if (isMountedRef.current) {
-        setIsLoading(false);
-      }
+      console.error(error);
     }
   };
 
diff --git a/src/stores/pages/EditCourseStore.ts b/src/stores/pages/EditCourseStore.ts
index 7c65340..37c0869 100644
--- a/src/stores/pages/EditCourseStore.ts
+++ b/src/stores/pages/EditCourseStore.ts
@@ -8,7 +8,7 @@ import { CourseServiceInstance, LessonServiceInstance } from '@educt/services';
 export default class EditCourseStore {
   public pageStore: PageStore;
 
-  public course: Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'> | undefined;
+  public course: Omit<ICourse, 'students_count' | 'likes_count' | 'lessons_count'> | null = null;
 
   public deletingLesson: ILesson | undefined;