Messages are no longer included in the application log

What causes this issue?

Because of an internal error, messages are no longer transferred to the
application log.

System Response

Processing continues without the application log.

How to fix this error?

As a rule, this is due to an internal program error.
As this only affects the log function, processing continues.

Procedure for System Administrators

Please contact SAP.
Function module &V2& produced the error code (exception) &V1&. It was
called in function module &V3&.

Error message extract from SAP system. Copyright SAP SE.