RuntimeError: This route does not contain any junction-waypoint in Close-loop metric calculation

When I reproduce VAD close-loop evaluation python tools/ability_benchmark.py -r vad_b2d_traj/merged.json, error log as follows:

4.26.2-0+++UE4+Release-4.26 522 0
Disabling core dumps.
Loading the town: Town02
successfully load the town: Town02
Loading the town: Town03
successfully load the town: Town03
Loading the town: Town04
successfully load the town: Town04
Loading the town: Town05
successfully load the town: Town05
Loading the town: Town07
successfully load the town: Town07
Loading the town: Town10HD
successfully load the town: Town10HD
Loading the town: Town11
WARNING: Traffic light 5376 overlaps a driving lane. Disabling collision...
WARNING: Traffic light 5387 overlaps a driving lane. Disabling collision...
WARNING: Traffic light 5515 overlaps a driving lane. Disabling collision...
WARNING: Traffic light 5495 overlaps a driving lane. Disabling collision...
WARNING: Traffic light 5400 overlaps a driving lane. Disabling collision...
WARNING: Traffic light 5377 overlaps a driving lane. Disabling collision...
successfully load the town: Town11
Traceback (most recent call last):
File "tools/ability_benchmark.py", line 183, in
main(args)
File "tools/ability_benchmark.py", line 139, in main
raise RuntimeError("This route does not contain any junction-waypoint!")
RuntimeError: This route does not contain any junction-waypoint!

Reproduce the failure with python tools/ability_benchmark.py -r vad_b2d_traj/merged.json, then inspect tools/ability_benchmark.py around line 139 and trace how the route's junction waypoints are determined. The issue is complete when the close-loop evaluation handles this route without raising RuntimeError, according to the project's expected behavior.