Any Idea why this error is throwing when trying to convert from sumonet to cityflownet

[thesneakerhead]

Converting sumo net file EDITED.net.xml
Start processing 0 traffic lights
cluster_3600177761_3600177767_3600177774
Traceback (most recent call last):
File "converter.py", line 535, in
main(args)
File "converter.py", line 514, in main
final_intersections = get_final_intersections(net,tls_dict,edge_dict)
File "converter.py", line 450, in get_final_intersections
intersection = node_to_intersection(node,tls_dict,edge_dict)
File "converter.py", line 396, in node_to_intersection
for connec in tls_dict[nodeid]._connections:
KeyError: 'cluster_3600177761_3600177767_3600177774'

cluster_3600177761_3600177767_3600177774