System Error

What causes this issue?

A system error happened during the processing of this message.

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?

If the Web Service Runtime can catch the system error an entry with
detail information will be written in the Web Service Error Log
(transaction SRT_UTIL) and some exception information will also be
written in the message persistency. Just mark the message entry and
click "Error Log" to display the error log entry or double-click the
message entry to see the exception information and also the message
payload in the message persistency.
If there is no error log entry exists in this situation, click "Queue
Status" to run the bgRFC Monitor for getting more information. In some
cases, there is an ABAP Runtime Error (short dump) happened. To check
whether a short dump exists, mark this entry and click "Select Runtime
Error".
In case you can't solve this problem by yourself, click "Download as
XML" to download the error information and contact SAP support.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.