error: E/A-Fehler 103

database: datenbanken\sportwelt-preussler2.de\Menu.GDB
table: menu A
sqlstring: Select DISTINCT A.id, A.caption, A.parentid, A.sortorder, A.fragmentfile, A.link, A.urlalias, A.port from menu A Where (VISIBLE=:visibleparam) order by A.sortorder ,A.caption