SELECT fetchMetricText('Application') = 'PostBooks'; This package must be applied to a PostBooks database. SELECT fetchMetricText('ServerVersion') > '4.4.'; This package must be applied to a 4.4+ database. SELECT NOT fetchMetricText('ServerVersion') >= '4.9.0'; This package may not be applied to a database newer than 4.8.0. SELECT NOT EXISTS(SELECT 1 FROM pg_namespace WHERE nspname = 'xm'); This package may not be applied to a mobile-enabled database. Please see your system administrator or contact xTuple. WITH counter AS (SELECT COUNT(*) AS freq FROM payco GROUP BY payco_ccpay_id, payco_cohead_id ORDER BY 1) SELECT (COALESCE(MAX(freq), 1) = 0 OR COALESCE(MAX(freq), 1) = 1) FROM counter; There are duplicate payco_ccpay_id and payco_cohead_id on the payco table. Please see your system administrator or contact xTuple.