Warning: [mysql error 1054] Unknown column 'cf.user_id' in 'on clause'
SELECT
cf.name AS cf_name,
cf.email AS cf_email,
u.username AS u_name,
u.mail_address AS u_email
FROM piwigo_contact_form AS cf
LEFT JOIN piwigo_users AS u
ON cf.user_id = u.id
in /var/www/piwigo.lucnix.be/include/dblayer/functions_mysqli.inc.php on line 864
Fatal error: Uncaught Error: Call to a member function fetch_assoc() on boolean in /var/www/piwigo.lucnix.be/include/dblayer/functions_mysqli.inc.php:930
Stack trace:
#0 /var/www/piwigo.lucnix.be/plugins/ContactForm/include/functions.inc.php(308): query2array('\nSELECT\n cf....')
#1 /var/www/piwigo.lucnix.be/plugins/ContactForm/main.inc.php(78): get_contact_emails()
#2 /var/www/piwigo.lucnix.be/include/functions_plugins.inc.php(264): contact_form_init()
#3 /var/www/piwigo.lucnix.be/include/common.inc.php(293): trigger_notify('init')
#4 /var/www/piwigo.lucnix.be/picture.php(10): include_once('/var/www/piwigo...')
#5 {main}
thrown in /var/www/piwigo.lucnix.be/include/dblayer/functions_mysqli.inc.php on line 930