DB Error: mismatch

[db_error: message="DB Error: mismatch" code=-7 mode=return level=notice prefix="" info="SELECT *, LENGTH(path) AS pathlen FROM regions WHERE (name =   or name = '(default)') AND (path = '/ utm_source=FCT utm_medium=FCT utm_campaign=FCT' OR path = '/') ORDER BY name DESC, pathlen DESC LIMIT 1  [DB Error: mismatch]"]