diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index 72346a3641..2e25408c62 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -250,6 +250,5 @@
 	"Holidays to past days not available": "Holidays to past days not available",
 	"Price cannot be blank": "Price cannot be blank",
 	"There are tickets to be invoiced": "There are tickets to be invoiced",
-	"The address of the customer must have information about Incoterms and Customs Agent": "The address of the customer must have information about Incoterms and Customs Agent",
-	"CONSTRAINT `ck_zoneEvent_priceOptimum` failed for `vn`.`zoneEvent`": "CONSTRAINT `ck_zoneEvent_priceOptimum` failed for `vn`.`zoneEvent`"
-}
\ No newline at end of file
+	"The address of the customer must have information about Incoterms and Customs Agent": "The address of the customer must have information about Incoterms and Customs Agent"
+}