The problem is that I don't know if it come from your mac or the mac export in general. I need someone else with a mac to tell me if the export doesn't work on his part :x. I'm trying to find one sorry.
If you can come on my discord It would make thing easier if not well you will have to wait.
https://discord.gg/Gm2K57Pz3Z
or DM me on twitter https://twitter.com/satyroom