Database Error; SQL: SELECT
DISTINCT
`t`.*
FROM `mc_posts` AS `t`
LEFT JOIN `mc_postmeta` AS `start_date` ON
`start_date`.`meta_key` = 'start_date'
AND `start_date`.`post_id` = `t`.`ID`
LEFT JOIN `mc_postmeta` AS `end_date` ON
`end_date`.`meta_key` = 'end_date'
AND `end_date`.`post_id` = `t`.`ID`
WHERE ( ( ( `start_date`.`meta_value` >= CURRENT_DATE() OR `end_date`.`meta_value` >= CURRENT_DATE() ) AND `event_type`.`slug`='workshop' ) AND ( `t`.`post_type` = 'event' ) AND ( `t`.`post_status` IN ( 'publish' ) ) )
ORDER BY `start_date`.`meta_value` ASC, `end_date`.`meta_value` DESC, `t`.`menu_order`, `t`.`post_title`, `t`.`post_date`; Response: Unknown column 'event_type.slug' in 'where clause'
