Error occurred when training

[BingqiShen]

hi~I encountered such an error when perform training on my own datasets. The edgepool.size() is 0 which I think it is abnormal. Could you please help to solve my problems? Thanks a lot

register Hash3DAnchoredInfo
register TCNNWPInfo
register volume render info
Aoligei!
[Dataset::Dataset] begin
[LoadImages] begin
[LoadImages] end in 11.1537 seconds
Number of train/test/val images: 168/24/0
[Dataset::Dataset] end in 71.8196 seconds
[PersSampler::PersSampler] begin
[PersOctree::PersOctree] begin
[PersOctree::ConstructEdgePool] begin
edge_pool_.size() is value 0
[PersOctree::ConstructEdgePool] end in 5.1743e-05 seconds
[PersOctree::PersOctree] end in 2.45768 seconds
[PersSampler::PersSampler] end in 2.4893 seconds
[Hash3DAnchored::Hash3DAnchored] begin
[Hash3DAnchored::Hash3DAnchored] end in 0.0238194 seconds
sub_div_milestones_ is value 
valid_nodes is value 168892
Aborted (core dumped)

[Victor-Xiaoyu-Ye]

same issue on me