"Unhandled Internal Error" when Opening Plugin Manager

Hello, I am on a Windows 10 22H2 (OS 19045.4780) system running PsychoPy v2023.1.0.

Whenever I try to open the “Plugin/packages manager” I get the following error:

Traceback (most recent call last):
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\builder\builder.py”, line 1393, in openPluginManager
dlg = psychopy.app.plugin_manager.dialog.EnvironmentManagerDlg(self)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\dialog.py”, line 30, in init
self.pluginMgr = PluginManagerPanel(self.notebook)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 216, in init
self.pluginList = PluginBrowserList(self.splitter)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 438, in init
self.populate()
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 448, in populate
items = getAllPluginDetails()
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 1091, in getAllPluginDetails
PluginInfo(**info)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 93, in init
self.author = author
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 198, in author
self._author = AuthorInfo(**value)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 40, in init
self.avatar = avatar
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\plugin_manager\plugins.py”, line 58, in avatar
self._avatar = utils.ImageData(value)
File “C:\Program Files\PsychoPy\lib\site-packages\psychopy\app\utils.py”, line 275, in new
return pil.open(data)
File “C:\Program Files\PsychoPy\lib\site-packages\PIL\Image.py”, line 3030, in open
raise UnidentifiedImageError(
PIL.UnidentifiedImageError: cannot identify image file <_io.BytesIO object at 0x0000018F5EABB590>

Does anyone know how I could fix this?