how to change standard SAP program SAPLFSKB to add custom fields...?

Hi Gurus,

I have to change the standard SAP program SAPLFSKB screen 100 to add custom fields...i looked into OSS notes and there is a note: 174413 that provides steps to add custom fields...but when i try to do this it doesnt let me do it...it says that request cannot be changed....do i have to use modification agent...if that is the case then how shud i proceed with this....so please provide me some inputs....

your help will be appreciated...

Any inputs for me....

cheers:sam

Message was edited by:

Sam williams