Enter a valid date (for example, &)
Message type: E = Error
Message class: FK - Factory calendar
Message number: 888
Message text: Enter a valid date (for example, &)
What causes this issue?
A non-existent date was entered.
System Response
The program was terminated.
How to fix this error?
Enter a valid date or inform the System manager.
Error message extract from SAP system. Copyright SAP SE.
