Fix when course state is None

portal/service/resource_definition.py

+import logging
 from datetime import datetime
 from typing import Dict, List
+
 import marshmallow
 
 from portal.database import Course, Group, Project, Role
 from portal.database.enums import CourseState
 from portal.service.general import GeneralService
 
+log = logging.getLogger(__name__)
+
 
 class ResourceDefinitionService(GeneralService):
     def sync_course(self, definition: Dict, save: bool = True):
@@ -17,7 +21,11 @@ class ResourceDefinitionService(GeneralService):
         """
         definition = definition.get('course') or definition
         if 'state' in definition:
+            try:
                 definition['state'] = CourseState(definition['state'])
+            except Exception as ex:
+                log.error(f"State error: {ex}")
+
         course = self._get_course(definition['codename'])
         params = self._course_params
 
@@ -129,7 +137,7 @@ class ResourceDefinitionService(GeneralService):
         Returns(Dict): Course dump
         """
         schema = _extract_params(course, self._course_params)
-        schema['state'] = course.state.value
+        schema['state'] = course.state.value if course.state else None
         schema['projects'] = [self.dump_project(project) for project in course.projects]
         schema['roles'] = [self.dump_role(role, with_clients=with_users) for role in course.roles]
         schema['groups'] = [