Checking that EITHER species or genus has at least something in it should fix that.Error: Query failed: 'SELECT clog_species.id, clog_species.species, clog_species.sl, clog_species.min_temp, clog_species.max_temp, clog_species.counter, clog_genera.genus, clog_families.family FROM clog_species JOIN clog_genera ON clog_species.genus_id = clog_genera.id JOIN clog_families ON clog_genera.family_id = clog_families.id WHERE;'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 11
--
Mats