} elseif ($full_tag === 'FAM:CHIL' && !str_contains($linked->gedcom, "\n1 FAMC @" . $record->xref . '@')) {
                            $link1    = $this->recordLink($tree, $linked->xref);
                            $link2    = $this->recordLink($tree, $record->xref);
                            $message  = I18N::translate('%1$s does not have a link back to %2$s.', $link1, $link2);
                            $errors[] = $this->lineError($tree, $record->type, $record->xref, $line_number, $line, $message, $full_tag . '-FAMC');