PySimpleGUI

 Can't say I've ever seen that error message. Sounds like a memory corruption problem or maybe a tkinter file dialog problem. As Jason said, much more info needed.

Does this happen only when running with PyCharm? Have you added a try statement around your code to see if it can catch an exception? I doubt this will help...

I would open a bug with the mathplotlib or tkinter teams (or both) and see if they can give you an update on this error. They may be able to...

> like we sit at front of your computer. I like that suggestion! There are times where I have needed to say this to explain the kinds of details needed...

Closing since this was released to PyPI yesterday in 5.0.5

Thank you for the many kind words  It's very appreciated! Looks like we need to add a "clear choice" feature to Button Menus, and maybe a "set choice" too....

Looking at the code, it looks like this may be a bug. There is a bit of commented out code that includes clearing the chosen item just as the Menu...

OK! Fixed in 5.0.4.2 `ButtonMenu` elements now operate the way that they used to and the same way that MenuBars work. When you get the event for a ButtonMenu element,...

> IMO, programmer need to find another way to keep and check the state of each ButtonMenu element. This is the same thoughts I was having when fixing it. The...

Side note for @jason990420 .... I loved seeing this in your code: ```python elif event[0] == "BM": ``` This Python construct of being able to reference a string with [0]...