Error when changing document &V1& in CATSCO table

What causes this issue?

An error occurred when changing document number &V1& in the CATSCO
table.

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?

Notify your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.