Good news....
I have also this problem at 'pause at height' plugin.
I will try your deleting method.
If that problem is cleared, I will try changing the python code of pause at height plugin for me.
original source...is open by ultimaker as "PauseAtHeightMarlin.py"
# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
# Modified by Art Hoke - August 5, 2019