Dear Sir,
to convert databases AS2011 to AS2013 you need to proceed step by step
First, from AS2011 to AS2012, then to AS2013 you can read the correposnding FAQ :
How are user settings migrated to a newer Advance Steel version?
http://www.graitec.com/en/FAQ_view.asp?FAQID=966&Language=EN&Name=How+are+user+settings+migrated+to+a+newer+Advance+Steel+version%3F
How are user settings migrated from Advance Steel 2012 to Advance Steel 2013?
http://www.graitec.com/en/FAQ_view.asp?FAQID=1026&Language=EN&Name=How+are+user+settings+migrated+from+Advance+Steel+2012+to+Advance+Steel+2013%3F
Best regards
Philippe MOYRET - Graitec Advance Steel