Fibaro config update breaks sensor?

Setup, Configuration and Use Beginners
1
  • Platform information:
    • Raspberry pi 3
    • Raspian
    • openHAB version:2.4.0~M4-1

When I try to update the config of my fibaro Door Sensor through Habmin, then the sensor does not report anything anymore?? Also the updated fields in Habmin Config of the Fibaro stays marked as PENDING - it does not change !??