Octatrack syncing problem with Analog four via overbridge

Ich Hey i have a Problem, i would like to Sync My octatrack with My analog Four via overbridge and ableton.

Ableton Is Synct with the a4 via overbridge and My octa should Follow the A4 via Midi but!
Its Is Not Really synct. The octa Is a bot Slower and Not Really synct.

Can you help me ?

Same hereā€¦ Did some people encounter this situation ?