Updated error messages.

_locales/en/messages.json

@@ -24,9 +24,6 @@
     "409": {
         "message": "This has already been submitted before"
     },
-    "502": {
-        "message": "It seems the server is down. Contact the dev to inform them."
-    },
     "channelWhitelisted": {
         "message": "Channel Whitelisted!"
     },
@@ -272,5 +269,11 @@
     "yourWork": {
         "message": "Your Work",
         "description": "Used to describe the section that will show you the statistics from your submissions."
+    },
+    "502": {
+        "message": "The server seems to be overloaded. Try again in a few seconds."
+    },
+    "errorCode": {
+        "message": "Error Code: "
     }
 }