for real tstern is on the right track with a methodical approach to troubleshooting. If you want to ID this problem……..this is the way.
Of course, I would put dollars to donuts it is sending the CC to quickly after an Algo change. Fixing that will be on the Musicomlab side. There is no way for the H9 to be ready faster than it is ready. JUST SPECULATION THIS IS WHAT IT SMELLS LIKE TO ME