Diagnosis
You have implemented the Business Add-In (BAdI) QPLEXT_COMM_TEC and themethod DETERMINE_TECHNOLOGY. This means that you wanted to determine thecommunication technology based on the import parameters of the method.However, this was not possible.

System Response
The outgoing message was not sent to the target system.

Procedure
Check what caused an exception, correct the data, and trigger outboundprocessing again.