SAP Message 53366 - Error when reading operation data

Diagnosis
You are entering time tickets and have specified an order operation. Anerror has occurred while the system was attempting to read theoperation data. This can be due to one of the following reasons:
Logistics and Human Resources run in the same system: contact yoursystem administrator.
Logistics and Human Resources run in different systems: you cannotenter time tickets using specifications from Logistics. Please enterthe data in the Logistics system.