I am doing validation in BADI BBP_CHNG_AGNT_ALLOW in method AUTHORISE_FOR_INSERT doing validation and raising error message using message exxx. In shopping cart portal I am getting SAP GUI screen and then displaying error message . but customer required in the portal screen it self they need this error .with out coming out of the portal screen. my sap SRM version is 4.0.
please suggest me how to display error message in portal screen itself with out coming out of portal.
Thanks & Regards,
Gopin