Error Codes and Trouble-shooting

When opening or running model, you may encounter one of following DB corrupted errors. This error can often be resolved by performing normal server shutdown via menu Help / Shutdown and then restarting the server.

 Failed to save execution stats to DB: IO Exception: "nio:C:/TestOptimal_Install_Dir/h2db/statsDB.mv.db" ...
 File corrupted while reading record: "nio:C:/TestOptimal_Install_Dir/h2db/statsDB.mv.db". ...
 The database has been closed [90098-200] 

If the problem persists, you will have to replace ../h2db/statsDB.mv.db with a fresh copy of the same file from the downloaded TestOptimal installation zip file.