error message when trying to duplicate a blendercam operation

[Thomas gdn]

Hello im trying to figure out how to use blendercam and until now i could manage everything by myself but then when i tried to duplicate an operation it send me this error message and just create a blank new operation and since im a complete stranger to python i dont really know what it means, my thanks to anyone kind enough to explain me the problem : 

Update Rest
validity
'Object' object has no attribute 'hide'
Update Rest
validity
'bpy_prop_collection[key]: key "" not found'
Traceback (most recent call last):
  File "C:\Users\USER\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\cam\ops.py", line 671, in execute
    o[k] = copyop[k]
    ~^^^
TypeError: Cannot assign a 'IDPropertyGroup' value to the existing 'info' Group IDProperty
Error: Python: Traceback (most recent call last):
  File "C:\Users\USER\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\cam\ops.py", line 671, in execute
    o[k] = copyop[k]
    ~^^^
TypeError: Cannot assign a 'IDPropertyGroup' value to the existing 'info' Group IDProperty
{}