Diagnosis
Internal Error: You have triggered the transfer of your measurementdata to SAP. The system measurement transaction (USMM) manages thetransfer status in the database table TUSTAT. To trace the transferstatus of the current measurement, the system attempted to write arecord to table TUSTAT. The key for this table is the session numberfrom the Service Data Control Center (SDCC) and the measurement numberfrom the system measurement. However, there is already a record forsession number &V1&/000 and session number &V2& in the table.

System Response
The transfer has already been triggered and will probably continue torun. You can check the status in the Service Data Control Center(Transaction SDCC). Search for the session with session number &V1&
/000.

Procedure
Notify SAP of the error.