Edit the file to be edited by GEDIT. After saving, the warning set document metadata failed: setting attribute metadata:: GEDIT position no appears

Set document metadata failed: Setting attribute metadata::gedit-position no

my case is as follows:

about this situation can see: https://askubuntu.com/questions/798935/set-document-metadata-failed-when-i-run-sudo-gedit

the blog’s solution is that this is just a warning, just ignore it.