You can! (check this comment and the one below: github.com/godotengine/... ) Since the editor is a Godot game, you can run it in editor and put breakpoints in tool scripts. (It might not help with that specific weird issue though, I hope you managed to find a fix! )
Improve tool script debugging · Issue #5983 · godotengine/godot
I am currently developping a GDScript editor plugin, and just like developping a game, I make mistakes and am getting countless errors, yay! But the problem here is that I only get the error and th...
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