when i train 286 epoch thiscame up

[WainBK]

cost[gt_idx], k=dynamic_ks[gt_idx].item(), largest=False
RuntimeError: selected index k out of range

[LSH9832]

unfortunately we are still trying to fix this, it happens occasionally, you can resume training with last.pth by hand. or you just use "try except" to skip this iter in file train.py