ValueError: need at least one array to concatenate

[EleganceM]

输入nnUNet_plan_and_preprocess -t id --verify_dataset_integrity时出现这个问题

[FabianIsensee]

Windows does not work unfortunately try @MRCWirtz master: https://github.com/MRCWirtz/nnUNet-1

[TshellT]

This problem also happened in my windows system when I deal with my dataset, what should I do to solve this problem.

[ykirchhoff]

Hi @Guurrrrrr,

are you experiencing the issue with nnUNet v1 or v2?

Best, Yannick