I read that note differently than you did. It is discussing two issues. One, their VB sample is coded incorrectly, resulting in an unhandled exception (unrelated to my current issue).
We were previously using MQ 5.3 with FixPack 13, and would receive helpful error messages (like MQRC_Q_FULL). After upgrading to 6.0.2.1, the message returned is always 'Error in the application', whi ...