The exception class & is derived from CX_NO_CHECK
Message type: E = Error
Message class: OO - Class Builder/API
Message number: 621
Message text: The exception class & is derived from CX_NO_CHECK
What causes this issue?
You cannot specify exception classes derived from CX_NO_CHECK in the
interface of a method.
System Response
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
How to fix this error?
Procedure for System Administrators
Error message extract from SAP system. Copyright SAP SE.