Image Occlusion couldnt use. I dont know why. Please help

Error
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.
If the issue only occurs when add-ons are enabled, please use the Tools > Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.
When you’ve discovered the add-on that is causing the problem, please report the issue to the add-on author.
Debug info:
Anki 2.1.60 (76d88073) Python 3.9.15 Qt 6.4.2 PyQt 6.4.0
Platform: Windows-10-10.0.22621
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2023-04-28 21:18:49

Caught exception:
Traceback (most recent call last):
File “aqt.webview”, line 604, in handler
File “C:\Users\User\AppData\Roaming\Anki2\addons21\1374772155\add.py”, line 324, in
lambda val, choice=choice, close=close: self._onAddNotesButton(
File “C:\Users\User\AppData\Roaming\Anki2\addons21\1374772155\add.py”, line 343, in _onAddNotesButton
r = gen.generateNotes()
File “C:\Users\User\AppData\Roaming\Anki2\addons21\1374772155\ngen.py”, line 99, in generateNotes
(svg_node, layer_node) = self._getMnodesAndSetIds()
File “C:\Users\User\AppData\Roaming\Anki2\addons21\1374772155\ngen.py”, line 226, in _getMnodesAndSetIds
mask_doc = minidom.parseString(self.new_svg.encode(“utf-8”))
AttributeError: ‘NoneType’ object has no attribute ‘encode’