Diagnosis
You have attempted to create a shipment using the IDoc of the outputtype SHPCPR (IDoc cat. TPSSHT01). Here there is internal assignment ofthe shipment number. To continue this activity, you must fill thefollowing fields in the IDoc segment E1TPSHH as reference parameters:
SRVID1: unique external number of shipment at service agent
CARRID: vendor number of service agent
Using these parameters, the system selects the required shipment fromthe database (reference fields in shipment document: Externalidentification 1 and forwarding agent)

System Response
IDoc processing is interrupted.

Procedure
Have the IDoc filled correctly at the transmitting partner.