GRE exam help service

{"codes":{"err":"Required fields missing","err2":"Invalid email address","err3":"Please select RSVP option","err4":"Could not update RSVP, please contact us.","err5":"Could not find RSVP, please try again.","err6":"Invalid Validation code.","err7":"Could not create a RSVP please try later.","err8":"You can only RSVP once for this event.","err9":"Your party size exceed available space.","err10":"Your party size exceed allowed space per RSVP.","succ":"Thank you for submitting your rsvp","succ_n":"Sorry to hear you are not going to make it to our event.","succ_m":"Thank you for updating your rsvp","succ_c":"Great! we found your RSVP!"}}