zoom and follow mouse.py error when hotkey is pressed

Hello,
I installed the zoom and follow mouse.py. I also set my hotkeys, but when I press the hotkey to activate, I get the following Script log. Can someone help me. I'm very new to this. Also, If I'm in the wrong forum, please let me know.
[zoom_and_follow_mouse.py] {}
[zoom_and_follow_mouse.py] Traceback (most recent call last):
[zoom_and_follow_mouse.py] File "C:\Users\linda\Downloads\OBS.PYTHON\OBS PYTHON\zoom_and_follow_mouse.py", line 371, in toggle_zoom
[zoom_and_follow_mouse.py] zoom.update_source_size()
[zoom_and_follow_mouse.py] File "C:\Users\linda\Downloads\OBS.PYTHON\OBS PYTHON\zoom_and_follow_mouse.py", line 66, in update_source_size
[zoom_and_follow_mouse.py] data = loads(data)['monitor']
[zoom_and_follow_mouse.py] KeyError: 'monitor'

Same problem. Can anyone help?