V2: Project is crashing for no reason

I never had this problem in Version 1. But Version 2, it’s crashing all the time. I add some notes, do some “-” to sustain it to other notes, and it crashes. It doesn’t crash my DAW, just Synthesizer V and its audio bank. I can still edit, but it won’t play. It’s just stuck. The only fix is to restart the entire DAW.

OS version, DAW and its version might help if you are after troubleshooting assistance.

Windows 10, FL Studio 21

I’ve got Windows 11, Cakewalk, newest version. Yesterday I did my first project with Synthesizer V Pro 2. Today I had to learn that the export of the finished project has resulted in a corrupted file. When the project was loaded again into the DAW and I pressed “play”, there were only sound snippets to be heard. But the song played and played and played and wasn’t stoppable, even by Dropouts which were indicated. I had to stop it via Task Manager. A third attempt led to a crash while loading the song…