Diagnosis
You have attempted to create s ahipment with the IDoc of the outputtype SHPCPR (IDoc type TPSSHT01). There is to be internal assignment ofthe shipment number. To continue this process, you must first fill thefollowing fields in the IDoc segment E1TPSHH as reference parameters.
SRVID1: Unique external number of the shipment at the service agent
CARRID: Delivery number of the service agent

System Response
Without the required specifications, processsing cannot be continued.

Procedure
Have the IDoc filled correctly at the transmitting partner.