Diagnosis
The material could not be identified using the relevant IDoc segments(E1EDP19: object identification) in message PROACT.

System Response
Inbound processing was canceled.

Procedure
Check the relevant master data and compare then with the informationtransferred in the IDoc.
A material can be identified at inbound processing of the PROACT IDocusing the material number (vendor material number, qualifier 002), thecustomer material number (qualifier 001), or the EAN/UPC number(qualifier 003). The relevant master data have to be maintained in yoursystem in the last two cases.