Error on clear_search in Blender 3.3.5 LTS - 'bpy_prop_collection[key]: key "WinMan" not found'

[PLyczkowski]

Error content:

Error: Python: Traceback (most recent call last):
File "C:\Users\PLyczkowski4\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\sketchfab-plugin-1-5-0_init_.py", line 1840, in execute
clear_search()
File "C:\Users\PLyczkowski4\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\sketchfab-plugin-1-5-0_init_.py", line 1827, in clear_search
bpy.data.window_managers['WinMan']['result_previews'] = 0
KeyError: 'bpy_prop_collection[key]: key "WinMan" not found'

[jrEtbpsd5]

I have the same error message with Blender v3.3.x and 3.6.1 on Windows 10