@ryan_nfa I don't know if it'll help, but have you tried to build a minimal plugin to see if it behaves likely?

And are you able to comment out parts of your scripts and build each time to see if the error goes away?

Are you using CSS? Stock graphics? Both?
SVG/Vectors or filmstrips perhaps?

@ryan_nfa Nice :)

Those categories are for Logic's native plugins. Apple doesn't allow you to list your plugin there.

You'll notice that there are zero third-party plugins under those categories.

All third-party effect plugins are under the bottom category of Audio Units.

Same goes for instruments. They're under bottom category, AU Instruments.