Path plan failed, please check whether any obstacles around the robot

1. Confirm if there are too many obstacles around the machine.

2. The robot entered a narrow space and couldn't get out.

3. There is a visual misidentification in this area. Use the function of a safe zone to ignore the visual recognition results.

4. Confirm if the charging station is out of map and customer doesn’t build a corridor from station to the map.

5. Try to rebuild the corridors between different areas and rebuild the connecting corridors between charging stations and the map if it’s out of map.