Title: Unknown format specifier “ê”
Last modified: May 19, 2025

---

# Unknown format specifier “ê”

 *  Resolved [lunacer](https://wordpress.org/support/users/lunacer/)
 * (@lunacer)
 * [1 year ago](https://wordpress.org/support/topic/unknown-format-specifier-e/)
 * Hi, my site is warning about the error about the unknown format specifier “ê”
   from Smush.
   Could you advise how to fix this issue?Thank you.Error messages are;
   Uncaught ValueError: Unknown format specifier “ê” in …/public_html/wp-content/
   plugins/wp-smushit/core/media-library/class-media-library-row.php:583
 * Stack trace: 
   0 …/public_html/wp-content/plugins/wp-smushit/core/media-library/
   class-media-library-row.php(583): sprintf() 1 …/public_html/wp-content/plugins/
   wp-smushit/core/media-library/class-media-library-row.php(399): Smush\Core\Media_Library\
   Media_Library_Row->get_optimized_status_text() 2 …/public_html/wp-content/plugins/
   wp-smushit/core/media-library/class-media-library-row.php(378): Smush\Core\Media_Library\
   Media_Library_Row->get_optimization_status() 3 …/public_html/wp-content/plugins/
   wp-smushit/core/media-library/class-media-library-row.php(125): Smush\Core\Media_Library\
   Media_Library_Row->generate_markup_for_smushed_item() 4 …/public_html/wp-content/
   plugins/wp-smushit/app/class-media-library.php(479): Smush\Core\Media_Library\
   Media_Library_Row->generate_markup() 5 …/public_html/wp-content/plugins/wp-smushit/
   core/modules/class-smush.php(1245): Smush\App\Media_Library->generate_markup()
   6 …/public_html/wp-content/plugins/wp-smushit/core/modules/class-smush.php(1360):
   Smush\Core\Modules\Smush->smush_single() 7 …/public_html/wp-includes/class-wp-
   hook.php(324): Smush\Core\Modules\Smush->wp_smush_handle_async() 8 …/public_html/
   wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() 9 …/public_html/
   wp-includes/plugin.php(517): WP_Hook->do_action() 10 …/public_html/wp-content/
   plugins/wp-smushit/core/modules/async/class-async.php(93): do_action() 11 …/public_html/
   wp-content/plugins/wp-smushit/core/modules/async/class-abstract-async.php(203):
   Smush\Core\Modules\Async\Async->run_action() 12 …/public_html/wp-includes/class-
   wp-hook.php(324): Smush\Core\Modules\Async\Abstract_Async->handle_postback() 
   13 …/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
   14 …/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() 15 …/public_html/
   wp-admin/admin-post.php(85): do_action() 16 {main} thrown

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Thread Starter [lunacer](https://wordpress.org/support/users/lunacer/)
 * (@lunacer)
 * [1 year ago](https://wordpress.org/support/topic/unknown-format-specifier-e/#post-18472418)
 * I found the error; translation in ko_KR was the cause of the issue.
   – Original
   string: Reduced by %1$s (%2$s)– Error version: %1$s(%2$s)% 감소했습니다.– Revised
   version: %1$s(%2$s) 감소했습니다.
 *  Plugin Support [Amin – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support2/)
 * (@wpmudev-support2)
 * [1 year ago](https://wordpress.org/support/topic/unknown-format-specifier-e/#post-18472685)
 * Hello [@lunacer](https://wordpress.org/support/users/lunacer/)
 * Hope you are doing well today.
 * Thank you for bringing this issue to our attention; there may be a problem with
   the translations. I have informed our Smush team about this matter to investigate
   further and resolve it.
 * Kind Regards,
    Amin
 *  Plugin Support [Amin – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support2/)
 * (@wpmudev-support2)
 * [1 year ago](https://wordpress.org/support/topic/unknown-format-specifier-e/#post-18492754)
 * Hi [@lunacer](https://wordpress.org/support/users/lunacer/),
 * I can confirm that this issue has been fixed on our end; our team updated the
   translations.
 * I’m going to mark this as resolved since the issue is fixed.
 * Best regards,
    Amin

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Unknown format specifier “ê”’ is closed to new replies.

 * ![](https://ps.w.org/wp-smushit/assets/icon-256x256.gif?rev=3447113)
 * [Smush – Image Optimization, Compression, Lazy Load, WebP & CDN](https://wordpress.org/plugins/wp-smushit/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-smushit/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-smushit/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-smushit/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-smushit/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-smushit/reviews/)

 * 3 replies
 * 2 participants
 * Last reply from: [Amin – WPMU DEV Support](https://wordpress.org/support/users/wpmudev-support2/)
 * Last activity: [1 year ago](https://wordpress.org/support/topic/unknown-format-specifier-e/#post-18492754)
 * Status: resolved