503 error in SXMB_IFR

Hi i have problem in that whenever i will use Tcode SXMB_IFR.. its giving first 500 error and then it shows.. 503 error.. Actually this instance i am using for my personal.. Actually i installed XI instance in hard disk and then i connected that hard disk to my desktop.. So i hope my problem is with j2ee engine.. please help me solve this problem

Thanks..