🌐 App validation errors

public/locales/en/layout/modals/add-app.json

@@ -99,6 +99,12 @@
 		}
 	},
 	"validation": {
-		"popover": "Your form contains invalid data. Hence, it can't be saved. Please resolve all issues and click this button again to save your changes"
+		"popover": "Your form contains invalid data. Hence, it can't be saved. Please resolve all issues and click this button again to save your changes",
+		"name": "Name is required",
+		"noUrl": "Url is required",
+		"invalidUrl": "Value is not a valid url",
+		"noIconUrl": "This field is required",
+		"noExternalUri": "External URI is required",
+		"invalidExternalUri": "External URI is not a valid uri"
 	}
 }