Calstate fullerton declare majof

Hi everyone
I already got admitted to Cal State fullerton next spring (2018) voi AS-T in business but when I declare accouting major in cal state fullerton they voided because Your AA-T/AS-T degree was cancelled because I changed my concentration to BA Accounting and the College of Business did not approve this concentration to be associated with the AA-T/AS-T degree. Any idea what should I do because I really want to do accouting