SAP Note 27212 - No output found despite condition record

Symptom:

Although appropriate condition records were created in output control, the message determination is still unsuccessful.

Additional key words
Cause and prerequisites

In the details of the output type, the flag 'condition access' must be selected in the general data, otherwise, the message determination will not become active via condition technique.
In SD, output is otherwise determined using the customer master.

Solution
Set the checkbox 'condition access' in the Customizing of the output type.