Step 1: Stop the AOS Step 2: Delete all of the source in the C:\Program Files\Microsoft Dynamics AX\60\Server\MicrosoftDynamicsAX\bin\XppIL directory Step 3: Start the AOS Step 3: Perform a full compile Step 4: Perform a full CIL generation After a FULL CIL compilation I got the following errors: I just went to the object in question and compiled them separately. The outcome would correctly compiled all the artifacts, including my new service group.