Hi Fadzly
To display the transaction ST04 on Web you have to activity ICF Service manually by reference of the SAP Note
1245200 - DBA: ICF Service-Activation for WebDynpro DBA Cockpit
and also follow the SAP Note for troubleshooting
1605680 - SYB: Troubleshoot the setup of the DBA Cockpit on Sybase ASE
BR
SS