Open standard transaction with WebGui

Hi all,

I want to open directly MD04 via webgui and skip first screen.

Based on this HowTo

How to prefill fields and skip first screen with webgui? - Wiki - SCN Wiki

I am able to populate the parameters, but the application remain in first screen.

http://erypas.server.com:8003/sap/bc/gui/sap/its/webgui?~TRANSACTION=MD04 RM61R-WERKS=2100;RM61R-MATNR=80302968;DYNP_OKCODE=ENTR

Can you please help?

Thanks