diff --git a/src/i18n/th.yml b/src/i18n/th.yml
index dc9d136..7b89541 100644
--- a/src/i18n/th.yml
+++ b/src/i18n/th.yml
@@ -355,6 +355,14 @@ misc:
   no_categories:
     title: ❌ ไม่มีหมวดหมู่ห้องติดต่อ
     description: ไม่มีการกำหนดค่าหมวดหมู่ห้องติดต่อ
+  role_error:
+    fields:
+      for_admins:
+        name: For server administrators
+        value: "An invalid user or role was supplied, which usually means a staff
+          role has been deleted. [Click here]({url}) for resolution instructions.\n"
+    title: ⚠️ Something went wrong
+    description: Sorry, the operation failed because of an invalid configuration.
 ticket:
   close:
     closed: