Your bug report

#71258: 29.2.50; insert-file-contents has a confusing error when called on a directory

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 71258@debbugs.gnu.org.

-- 
71258: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71258
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