404 Error in Alerts

Hi All,

When i am doing ALERTS,  i completd the "ALRTCATDEF" part in that transaction code, after doing this i am going for RNB " Runtime work Bench" there i have to  do Alert Config when i am clicking that i am getting 404 error, insted of opening that.

So please any one guide me to complete this process.

Thanks & Regards

G V Anil