syntax error in program saplsfes

Hi Experts,

Need immediate assistance, we are experiencing the following abap error while upgrading BASIS Package (SAPKB73103) (In the import main phase ) and right now i couldn't go to any tcode, while im entering any tcode following syntax error showing...

                                                                                                         And i access through SAP GUI either, it shows follwing error "RABAX Error during gui logon"

PLease help