cannot reshape tensor of 0 elements into shape [-1, 1, 1, 0] because the unspecified dimension size -1 can be any value and is ambiguous

[a65651626]

got prompt [rgthree] Using rgthree's optimized recursive execution. [rgthree] First run patching recursive_output_delete_if_changed and recursive_will_execute. [rgthree] Note: If execution seems broken due to forward ComfyUI changes, you can disable the optimization from rgthree settings in ComfyUI. C:\Users\zg261.conda\envs\ootd\lib\site-packages\torch\nn\functional.py:5476: UserWarning: 1Torch was not compiled with flash attention. (Triggered internally at C:\cb\pytorch_1000000000000\work\aten\src\ATen\native\transformers\cuda\sdp_utils.cpp:263.) attn_output = scaled_dot_product_attention(q, k, v, attn_mask, dropout_p, is_causal) ERROR:root:!!! Exception during processing !!! ERROR:root:Traceback (most recent call last): File "D:\ComfyUI\execution.py", line 152, in recursive_execute output_data, output_ui = get_output_data(obj, input_data_all) File "D:\ComfyUI\execution.py", line 82, in get_output_data return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True) File "D:\ComfyUI\execution.py", line 75, in map_node_over_list results.append(getattr(obj, func)(**slice_dict(input_data_all, i))) File "D:\ComfyUI\comfy_extras\nodes_mask.py", line 109, in mask_to_image result = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3) RuntimeError: cannot reshape tensor of 0 elements into shape [-1, 1, 1, 0] because the unspecified dimension size -1 can be any value and is ambiguous

---

What is the issue here, and how can it be resolved?

[DENG-XC]

did you fix that problem? I have same problem as you.

[a65651626]

no，No one is answering me

[rossaai]

Try a confidence threshold of 0.00 or 0.01 https://github.com/ltdrdata/ComfyUI-Impact-Pack/issues/468#issuecomment-1954328230