diff --git a/js/common/bootstrap/errors.js b/js/common/bootstrap/errors.js
index 30f5eb2086..5154eb699c 100644
--- a/js/common/bootstrap/errors.js
+++ b/js/common/bootstrap/errors.js
@@ -258,8 +258,9 @@
     "ERROR_INVALID_APPLICATION_MANIFEST" : { "code" : 3001, "message" : "manifest file is invalid" },
     "ERROR_INVALID_FOXX_OPTIONS"   : { "code" : 3004, "message" : "invalid foxx options" },
     "ERROR_INVALID_MOUNTPOINT"     : { "code" : 3007, "message" : "mountpoint is invalid" },
-    "ERROR_APP_NOT_FOUND"          : { "code" : 3009, "message" : "App not found" },
-    "ERROR_APP_NEEDS_CONFIGURATION" : { "code" : 3010, "message" : "App not configured" },
+    "ERROR_APP_NOT_FOUND"          : { "code" : 3009, "message" : "Service not found" },
+    "ERROR_APP_NEEDS_CONFIGURATION" : { "code" : 3010, "message" : "Service not configured" },
+    "ERROR_APP_MOUNTPOINT_CONFLICT" : { "code" : 3011, "message" : "mountpoint already in use" },
     "ERROR_MODULE_NOT_FOUND"       : { "code" : 3100, "message" : "cannot locate module" },
     "ERROR_MODULE_FAILURE"         : { "code" : 3103, "message" : "failed to invoke module" },
     "RESULT_ELEMENT_EXISTS"        : { "code" : 10000, "message" : "element not inserted into structure, because it already exists" },