Not calculating edge weights to nil ID

[Teeerry]

[ WARN] [1536305961.973079569]: One or more joints lists in the cartesian point link is empty ID:ID361[start ids:0], ID:ID371[end ids:8]
[ INFO] [1536305961.974047257]: Not calculating edge weights to nil ID
[ INFO] [1536305961.989124244]: Lowest cost: 179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.000000
[ERROR] [1536305961.989176126]: unable to find a valid path
[ERROR] [1536305961.989235821]: Failed to find sparse joint solution
[ERROR] [1536305961.989289011]: Could not solve for a valid path
[traj_action_server_node-1] process has died [pid 8327, exit code 255, cmd /home/tlluo36/catkin_ws/devel/lib/generate_traj/traj_action_server __name:=traj_action_server_node __log:=/home/tlluo36/.ros/log/6c6d866a-b270-11e8-9354-185e0f1673ee/traj_action_server_node-1.log].
log file: /home/tlluo36/.ros/log/6c6d866a-b270-11e8-9354-185e0f1673ee/traj_action_server_node-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done

When the distance between the waypoints becomes smaller, it cannot find a suitable solution.
I don't know about this kind of problem, under what circumstances will happen, how to solve it.