A plan with date from & already exists
Message type: E = Error
Message class: P/ - Messages for Category a Priorities
Message number: 053
Message text: A plan with date from & already exists
What causes this issue?
A planning with date-to date already exists.
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?
Delete existing planning or choose a new date.
Error message extract from SAP system. Copyright SAP SE.