Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
The permission 'Add New Files to themes' used in the user_access() call in file theme_editor.inc:76, function theme_editor_editor() doesn't match the string defined in
function theme_editor_perm() {
..
$perm[] = 'Add new files to themes';
so the 'Add new files'-Form gets never be activated.
Regards
Hans-Peter