bbPress.org

Copy feedback-no-topics.php from bbPress’s templates and into your child theme in a folder called bbpress. Then customize the message to your liking.

@casiepa

I guess you can also use this.

function change_translate_text( $translated_text ) {
  if ( $translated_text == ‘Oh bother! No topics were found here!’) {
    $translated_text = ‘No topics were found here!’;
  }
  return $translated_text;
}
add_filter( 'gettext', 'change_translate_text', 20 );

@casiepa

I am starting to think that filter may not be the best way to translate content. It was widely used though and was recommend a few times in these forums.

The dangers of the gettext filter

While trying to find the bbPress string swap plugin that was a bbPress plugin that use to do this exact thing fine. I came upon this that lead me to find the alternative to the gettext filter and using global $l10n;

https://github.com/justintadlock/hybrid-core/issues/49

Here is an example with BuddyPress and I am sure there is a way to make this kind of thing work with bbPress.

https://bp-tricks.com/coding/string-replacement-hack-core/