after update last week merger dont work

[kalle07]

the build in merger fails in all kind of use wit error: (i used it before and all was working fine)

Loading E:\WebUI_Forge\webui\models\Stable-diffusion\XYZ.safetensors...
Loading E:\WebUI_Forge\webui\models\Stable-diffusion\WLZ.safetensors...
Merging...
*** Error loading/saving model file
Traceback (most recent call last):
File "E:\WebUI_Forge\webui\modules\ui_checkpoint_merger.py", line 21, in modelmerger
results = extras.run_modelmerger(*args)
File "E:\WebUI_Forge\webui\modules\extras.py", line 186, in run_modelmerger
shared.state.sampling_steps = len(theta_0.keys())
AttributeError: 'NoneType' object has no attribute 'keys'

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