[JES] Try and examine the error message to see if it's an actual error or not....

[JES] Try and examine the error message to see if it's an actual error or not. If not, return an empty string

src/api/transports/http.js

@@ -46,6 +46,12 @@ export function jsonRpc(uri, {method, id, params, fetchMethod=fetch}) {
       throw new Error(`Invalid response id: ${ rpcRes.id }`);
     }
     if (rpcRes.error) {
+        if (rpcRes.error.code === -32602)
+        {
+            //hivemind returns an error when tags aren't found, but it's not really an error
+            //because the http return code was ok, so just return an empty response instead
+            return "{\"id\":" + rpcRes.id + ", \"result\":[], \"jsonrpc\":\"2.0\"}";
+        }
       throw new RPCError(rpcRes.error);
     }
     return rpcRes.result