Login Rejected. Watchlist size of 2500 for 'WS JSON2' connection is outside of range [20001,50000...

Hi @gang.chen1

You are not using the correct tier endpoint for which your MachineID has been licenced.

You are trying to connect to a Large Tier endpoint but only licenced for the Small tier.

Ideally, you should use the service discovery example - which will automatically identify endpoints matching your licence and region location- websocket-api/market_price_rdpgw_service_discovery.py at master · Refinitiv/websocket-api (github.com)

If they are using an MRN example that hardcodes an endpoint, then they can combine the Service Discovery code from the above example with the MRN example.

Another option (not recommended) is to select a valid small tier endpoint from the list of endpoints:

RTO New Hostnames August 2021

RTO Install and Config Guide