Hi there,
Thanks for reporting this. I tried reproducing the issue by installing the plugin in a blank project, but I didn’t get the Unexpected end of JSON input error on my end.
That usually means it’s something project-specific, like a malformed config file, a corrupted asset, or a plugin conflict.
To track it down, could you send me the full error from the JS console? If you press F8 right when the crash happens, it should pop up with a stack trace. A screenshot or copy/paste of that would help a lot.