[M127] No valid path to the goal. Verify that the passage area is clear of obstacles.

Possible reasons:

1. This lawn map has no channels
2. The channel is obstructed or narrowed to less than 0.7m by obstacles.
3. The lawn map's border is positioned too close to the obstacle, causing the obstacle to cut off a portion of the lawn area.

Solution:

1. Use Add Passage to set up a new passage for the lawn. How to add a passageway between maps/areas
2. If the lawn map's border is too close to obstacles, convert the enclosed area into a new map.as illustrated below.