Error accessing Rss and Our Sites modules

[phongkni]

With the last update, when accessing these two modules (Rss & Our Sites), an error message will be received:
- Rss:
Fatal error: Class 'Rss' not found in C:\xampp\htdocs\data\CRMEntity.php on line 77
- Our Sites:
Fatal error: Class 'Portal' not found in C:\xampp\htdocs\data\CRMEntity.php on line 77

How to fix this error.
Please help me