Index: binary-improvements2/MapRendering/src/Api/Map.cs
===================================================================
--- binary-improvements2/MapRendering/src/Api/Map.cs	(revision 426)
+++ binary-improvements2/MapRendering/src/Api/Map.cs	(revision 434)
@@ -24,5 +24,5 @@
 					break;
 				default:
-					SendErrorResult (_context, HttpStatusCode.NotImplemented, _errorCode: "INVALID_ID");
+					SendEmptyResponse (_context, HttpStatusCode.NotImplemented, _errorCode: "INVALID_ID");
 					return;
 			}