vae error, not vae list,unable generate,comfy ui

Prompt executed in 1.98 seconds
got prompt
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!!! Exception during processing!!! 'VAE' object has no attribute 'vae_dtype'
Traceback (most recent call last):
File "D:\ai\ComfyUI_windows_portable_nightly_pytorch\ComfyUI\execution.py", line 151, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\ai\ComfyUI_windows_portable_nightly_pytorch\ComfyUI\execution.py", line 81, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\ai\ComfyUI_windows_portable_nightly_pytorch\ComfyUI\execution.py", line 74, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\ai\ComfyUI_windows_portable_nightly_pytorch\ComfyUI\nodes.py", line 268, in decode
return (vae.decode(samples["samples"]), )
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\ai\ComfyUI_windows_portable_nightly_pytorch\ComfyUI\comfy\sd.py", line 293, in decode
memory_used = self.memory_used_decode(samples_in.shape, self.vae_dtype)
^^^^^^^^^^^^^^
AttributeError: 'VAE' object has no attribute 'vae_dtype'

Prompt executed in 2.02 seconds
everything works fine in webui and comfyui(direct generation)

but when you start ps for the first time, it accidentally refreshes the list of available vae, and when you click refresh again it disappears, and the error occurs regardless of whether or not a vae is selected.

ComfyUI Revision: 2216 [91542d4f] | Released on '2024-05-28'

some times

for input of size 409600
.....
ERROR lora diffusion_model.output_blocks.5.1.proj_out.weight shape '[1280, 1280, 1, 1]' is invalid for input of size 409600
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WARNING: No VAE weights detected, VAE not initalized.
.....
* KSampler 3:
- Failed to convert an input value to a INT value: steps, None, int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
Output will be ignored
....
After that, it's all like this.
!!! Exception during processing!!! 'VAE' object has no attribute 'vae_dtype'

happen: txt2img(yes) img2img(yes) inpaint(yes) outpaint(yes)

Thanks