Originally Posted by nynaevelan
I received that error too, I thought I received it because at the time I was using the Fetch Annotations feature. I uninstalled the plugin using the instructions in the first post and then re-installed it. There must be some conflict between the two because although it works now, the fetch annotations process is much slower than it was before. But I was able to get them both working.
I haven't used Fetch Annotations, but I just ran it now and it worked ok. I'm not sure what fetch annotations is looking at, but this plugin only rewrites the collections.json file. I would have thought fetch annotations only reads the actual book files.