Distribute train with no feature occur error

when my data partitions have no node feature and edge feature

as follow you see:
node_feat.dgl size is 24bytes is {}
edge_feat.dgl size is 24bytes is {}

when i dist training
there occur runtime exception about
“RuntimeError: There is no data on kvserver”

when dist_graph send message to graph_server .

how can I use no feature graph in dist training ? thx

Can you provide more information? Which code you are using? What launching script you are using?