SAP Message PU011 - Table TRBAT contains lock entry: &1

Diagnosis
The transport dispatcher program RDDIMPDP has founda lock entry &V1& in table TRBAT. This lock entry prevents concurrentaccess by different dispatcher programs. Normally, such entries aredeleted after a short time.

System Response
Program RDDIMPDP has terminated without performing its tasks. Ifrequired, program RDDIMPDP is started again automatically after a shortperiod of time.

Procedure
If the message is only sometimes displayed, this is normal. No errorhas occurred.
If the message is regularly displayed, check the job overview. Find outwhether there are any cancelled background jobs that have a namebeginning with RDDIMPDP (entry 'RDDIMPDP*' for job name, '*' for username). If you find such an entry, find out the cause by looking at thejob log.