This crash is due to the project P/Invoking into AirSimWrapper and not finding the AirSimWrapper library with the correct architecture or not finding the export from the call. The repro project provided does not have the AirSimWrapper plugin included, though I did find online that it is set to build on mac for x86_64 only. So it should be verified that the AirSimWrapper.bundle is actually the correct architecture and has the export for which the crash is happening.