Oh thats not good! Could you tell me your system specs, Ableton version and if you are trying to load the VST3 or AU?
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System Specs: MacOS 10.13.6 / Intel Core i5 / 16 Gb SSD
Currently trying with AU but VST3 gives the same problem.
I will pull out my 10.13 machine and test it today.
If you have a moment and could get me the error report I would really appreciate it:
When Ableton crashes it should show a crash report screen with a bunch of text (called a stacktrace). Either email it to email@example.com, send it in the MiniMeters Discord, or upload it to a pastebin and link it here.