Software patch revision 05.30pd addresses these issues:

Description Change Request Verification
The system no longer locks up while debugging a Flash or PLD ISP test. The system no longer reports false shorts after such a lockup. CR14552
Running an ISP test with a read-only image file no longer produces a T21 error in BTBasic. CR12624
When a Flash programming test fails it now produces a failure ticket instead of writing an "Error R20 at line xxx, No Subend for Sub" message to the screen. CR14970