diff --git a/config/locales/en_GB.yml b/config/locales/en_GB.yml
index 55ec5dac37..a10e3893bb 100644
--- a/config/locales/en_GB.yml
+++ b/config/locales/en_GB.yml
@@ -1345,6 +1345,7 @@ en_GB:
       stripe_connect_settings:
         resource: Stripe Connect configuration
   api:
+    unknown_error: "Something went wrong. Our team has been notified."
     invalid_api_key: "Invalid API key (%{key}) specified."
     unauthorized: "You are not authorised to perform that action."
     invalid_resource: "Invalid resource. Please fix errors and try again."