Specification data has been edited and changed by &1

What causes this issue?

Specification data is already being processed by another user.

System Response

Data can only be displayed for one user. The data may not be up-to-date
since it is currently being processed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.