Your bug report

#73849: 31.0.50; Binding ESC does not throw an error, but binding any M- combination afterwards does

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 73849@debbugs.gnu.org.

-- 
73849: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=73849
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