The problems occur when rollbacks occur in different worlds with radius #global. It's works for several chunks and then stucks and don't ends. Also, if there're players in chunks where rollbacks is happening, plugins starts spamming errors into console.
Error stacktrace: https://pastebin.com/vK1uQLJg

Fixed the error here: 9f3196d

If you have any other issues or errors, please post a separate issue.