diff --git a/addons/default/visiosoft/cats-module/resources/lang/af/message.php b/addons/default/visiosoft/cats-module/resources/lang/af/message.php
index 3161132b3..92ea9a992 100644
--- a/addons/default/visiosoft/cats-module/resources/lang/af/message.php
+++ b/addons/default/visiosoft/cats-module/resources/lang/af/message.php
@@ -2,4 +2,5 @@
 
 return [
     'categories_mass_delete_success' => 'Kategorieë en verwante subkategorieë is suksesvol uitgevee!',
+    'cat_slug_exists' => '\'n Kategorie met \'n slak van :slug bestaan reeds!',
 ];