hey guys… i might be a little bit late to the party, but i was able to fix this issue for me – in my specific case at least.
this error message occured when i was trying to apply specific effects to my footage.
after some testing the “fix” was as simple as this: my footage had an apostrophe, aka special characters, aka glyphs in its filename. after removing it, the run script error was completely gone!
Hope this (still) helps some of you or someone who googles this.
greetings