try use table catch to loerror if loerror.error = error_number??? handle the problem here. endif endtry>Is there a way of testing if a table (filename.dbf) is valid before attempting to open and use it. I have an application that uses tables that are sent via FTP, and every once in awhile, I get one that gives the error message that "c:\path\filename.dbf is not a table." and my program crashes.