Textbox leads to experiment crash -mac

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I don’t have a solution to offer, but I can say I’m experiencing a very similar error in PsychoPy 2020 2.8 on my mac laptop running Catalina 10.15.3. This is in an experiment which was working fine on my office computer (Windows) a few days ago. Here is the full error message:

Traceback (most recent call last):
  File "/xxx_lastrun.py", line 123, in <module>
    autoLog=True,
  File "/Applications/PsychoPy.app/Contents/Resources/lib/python3.6/psychopy/visual/textbox2/textbox2.py", line 218, in __init__
    self.win.addEditable(self)
  File "/Applications/PsychoPy.app/Contents/Resources/lib/python3.6/psychopy/visual/window.py", line 954, in addEditable
    self.currentEditable = editable
  File "/Applications/PsychoPy.app/Contents/Resources/lib/python3.6/psychopy/visual/window.py", line 939, in currentEditable
    editable.hasFocus = True
  File "/Applications/PsychoPy.app/Contents/Resources/lib/python3.6/psychopy/visual/textbox2/textbox2.py", line 729, in hasFocus
    self.draw()
  File "/Applications/PsychoPy.app/Contents/Resources/lib/python3.6/psychopy/visual/textbox2/textbox2.py", line 513, in draw
    gl.glVertexPointer(2, gl.GL_FLOAT, 0, self.verticesPix)
ctypes.ArgumentError: argument 4: <class 'TypeError'>: wrong type
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