Select the cells to be replaced on the shift plan

What causes this issue?

If you want to use the shift abbreviation bar to enter or overwrite
shifts on the target or actual plan, you must first select the relevant
cells on the shift plan.

System Response

No cells on the shift plan have been changed.

How to fix this error?

Select the desired cells on the shift plan.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.