The object reference wasn't set to an object instance
Cause
The ACL project was opened with the next higher ACL version. This will enter it in the header (@ACL1400.001).
When starting, the system tries to start the .exe of the higher version, but this does not work due to the entry in the Options dialog.
Solution
The error can be corrected by an update. Please note that the path in the Options dialog of the dab:AnalyticSuite must also be adjusted.