I've seen this error before, but it was some time ago:
THe focuser aborts, saying max travel reached. However, I had max travel at 500 and it moved from 1435 to 1200. So what is this with max travel?
Log file attached (I hope the data is there).
So for the most part the focusing went OK.. there was one instance when using new data for slope calculation that it goes outside the travel limits. I made an adjustment now to try to make this non-fatal to the focus process so hopefully you'll see less of it.