To fix any issue related to SAP, There is so many notes which fixes your SAP application related issue but to fix these issues you will need to apply the SAP notes in your SAP system. So here is the procedure for How to apply SAP notes in any SAP system:
How to apply SAP notes in any SAP system
1. Goto SNOTE Tcode.
2. Goto Manual Download SAPNote
3. Give the Note No.
4. After downloading check the status, if implemented
5. Select Note, GOTO Menu SAPNote Implement Note.