Changes saved in solution &1

What causes this issue?

Changes have been saved successfully under current solution.

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?

Please check table content.
If a new record is created, File content saved under current solution.
If existing record is edited, then file content will be updated under
all files where edited record preexisted.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.