Activity could not be executed

What causes this issue?

A general error occurred when executing the activity for creating the
business object.

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?

For a more detailed description of the error, go to the display of the
application log (transaction SLG1).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.