change line 113:
$WA_columnTypesStr = "',none,''|',none,''|',none,''|',none,''|',none,NULL|',none,''|',none,NULL',none,''|',none,''|',none,''|',none,''|',none,''|',none,''";
to:
$WA_columnTypesStr = "',none,''|',none,''|',none,''|',none,''|',none,NULL|',none,''|',none,NULL|',none,''|',none,''|',none,''|',none,''|',none,''|',none,''";