During XY probing, part of the Tool Offset calibration, if the same probes are not repeatable after multiple attempts, the printer will show the message "XY probing failed due to the low measurement stability".
Error name: XY probe unstable
Error code: #17105
Ensure that the calibration pin is not loose and that it is free of any debris.
If the nozzle crashes onto the calibration pin key, it can trigger the error. Ensure that the dock is not loose and that it is not between the locked and unlocked positions.
Ensure that the nozzle is correctly positioned in the Nextruder, tightened against the Nube if you are using a Prusa Adapter and that it is as clean as possible from any residue.
Ensure that the bed frame screws shown in the picture below are tight.
If you notice a loose screw, loosen all the screws, and retighten them in a cross pattern: