An error has occurred in the TNG software. What to do:
If you just installed an upgrade, you might have skipped part of the installation instructions. Go back to the upgrade readme page reread the instructions. Pay special attention to the database structure step.
If you just installed TNG for the first time, you might still need to create the database tables. Return to the readme.html page to find that step.
If you are the site owner, you may contact TNG support for further assistance with this problem. Please copy the query below and paste it into your message.
Query: SELECT p.personID, p.lnprefix, p.lastname, p.firstname, p.birthdate, p.living, p.metaphone, p.gedcom, f.familyID, father.personID AS FatherNr, father.lnprefix, father.lastname AS Fatherlast_name, father.metaphone as fathermetaphone, mother.personID AS MotherNr, mother.metaphone AS mothermetaphone, mother.lastname AS Motherlast_name, p.changedby FROM tng_children AS ch LEFT JOIN tng_people AS p ON ( ch.personID = p.personID AND ch.gedcom = p.gedcom ) LEFT JOIN tng_families AS f ON ( ch.familyID = f.familyID AND ch.gedcom = f.gedcom ) LEFT JOIN tng_people AS father ON ( father.personID = f.husband AND father.gedcom = f.gedcom ) LEFT JOIN tng_people AS mother ON ( mother.personID = f.wife AND mother.gedcom = f.gedcom ) WHERE (dm(p.lastname) <> dm(father.lastname)) AND (dm(p.lastname) <> dm(mother.lastname)) AND YEAR( p.birthdatetr ) > "1811" ORDER BY p.lastname, p.firstname, p.birthdatetr LIMIT 50
FUNCTION genealogy.dm does not exist