diff --git a/Errors.py b/Errors.py
new file mode 100644
index 0000000..6eec9ae
--- /dev/null
+++ b/Errors.py
@@ -0,0 +1,25 @@
+class BaseError(Exception):
+    '''Base class error for init error Classes'''
+    def __init__(self, error):
+        self.error = error
+        super().__init__(self.error)
+
+
+class ForbiddenError(BaseError):
+    '''Raises when browser attract 403 error'''
+
+    def __init__(self, error):
+        super().__init__(error)
+
+    def __str__(self):
+        return f'Упс, возникла проблема с полуением данных :(\nОшибка: {self.error}'
+
+
+class LostTaskError(BaseError):
+    '''Raises when search_tasks function can't get result'''
+
+    def __init__(self, error):
+        super().__init__(error)
+
+    def __str__(self):
+        return f'Упс, не удалось найти задачу :(\nОшибка: {self.error}'
diff --git a/methods.py b/methods.py
index 98deb7e..f7844f2 100644
--- a/methods.py
+++ b/methods.py
@@ -81,7 +81,8 @@ def get_lesson_info(s, lesson_id, group_id, course_id):
 def get_all_lessons(s, course_id, group_id):
     url = 'https://lyceum.yandex.ru/api/student/lessons'
     params = {'courseId': course_id,
-              'groupId': group_id}
+              'groupId': group_id,
+              'code': 200}
     return s.get(url, params=params).json()
 
 
diff --git a/search.py b/search.py
index 232d27b..c67e563 100644
--- a/search.py
+++ b/search.py
@@ -1,4 +1,5 @@
 from methods import *
+from Errors import (ForbiddenError, LostTaskError)
 
 
 def search_tasks(lessons, search_part):
@@ -21,6 +22,8 @@ def prepare(s, course_id, group_id):
     lessons = []
     print("Получаю информацию об уроках, это занимает примерно 5-10 секунд...")
     lessons_info = get_all_lessons(s, course_id, group_id)
+    if lessons_info['code'] != 200:
+        raise ForbiddenError(lessons_info['code'])
     for lesson in lessons_info:
         lesson_title = lesson['title']
         lesson_id = lesson['id']
@@ -44,7 +47,7 @@ def prepare(s, course_id, group_id):
     while search_part != r'\\':
         fd = search_tasks(lessons, search_part)
         if not fd:
-            print('Не удалось найти задачу')
+            raise LostTaskError("Task can't found")
         else:
             for lesson_name, task_title_full, is_solved in fd:
                 print(f'Урок: "{lesson_name}", Задача: "{task_title_full}" '