No crashes here. I wonder if it has something to do with Max4Live? I don’t seem to be able to run any of those instruments here when I load your session. They are all disabled. Can you try removing the Max4Live stuff and creating another session that crashes? I will try that one when i get a chance. 
PadSynth, FileMincer and BandPass2 crashing ableton
this one has no maxforlive devices, but there are some vsts. This time “Harmonics” doesn’t crash it, but HSBOSCIl does.freetime Project.zip (271.8 KB)
I can’t recreate your conditions here because I don’t have access to the session VSTs. Is it possible to create a crash with a vanilla project that only uses basic Live instruments?
okay, it must be some issue with another VST then, I can’t recreate the crash with a vanilla project.
Ok, that’s going to make it quite difficult to debug. I can’t think of hand what might be causing the conflict.