If you’re using Emacs long enough sooner or later you’ll run into some Emacs command that’s misbehaving and you’ll need to debug it somehow.1 If the command is just blowing up, probably you’ll be able to figure out what’s going on by looking at its backtrace. To get meaningful backtraces you can either run M-x toggle-debug-on-error or add this to your Emacs config: (setq debug-on-error t) Sometimes that will be enough, but other times you’ll need to dig deeper… Fortunately for...
