If you experience a problem loading or crashing the Mocha Pro OFX Plugin in any OFX host, you may need to clear that host’s OFX plugin cache.
Foundry Nuke
If Nuke projects containing Mocha Pro are not working when you upgrade or install Mocha Pro, please clear the Nuke plugin cache.
Instructions from Foundry are here: https://support.foundry.com/hc/en-us/articles/206989899-Q100043-How-to-clear-your-Nuke-NukeX-NukeStudio-cache