Duplicates may have been by migration and import mistakes [[Duplicate allow value|(query)]]. This could be addressed when CDFvalues are moved to standard fields after upgrade.
===Invalid date in link table tables (mandatory)===__NOEDITSECTION__The date value 0000-00-00 00:00:00 is invalid and has been found in the table tables ''fieldreport'' and ''link'' [[Link invalid date|(query)]].
===Attachment table (mandatory)===__NOEDITSECTION__