id summary reporter owner description type status priority milestone component version severity resolution keywords cc focuses 16821 WordPress does not work properly when particular sql_modes are set Dan1975 When sql_mode contains NO_ZERO_DATE or NO_ZERO_IN_DATE WordPress does not allow to add a new post because invalid value errors (I could trace them with WP_DEBUG activated). defect (bug) closed normal Database 3.1 normal wontfix has-patch