WordPress-Datenbank-Fehler: [Key column 'system' doesn't exist in table]
ALTER TABLE wp_nextend2_section_storage ADD INDEX `system` (`system`)

WordPress-Datenbank-Fehler: [Unknown column 'system' in 'SELECT']
SELECT `id`, `referencekey`, `value`, `system`, `editable` FROM wp_nextend2_section_storage WHERE `application` = 'smartslider' AND `section` = 'settings' AND `referencekey` = ''

WordPress-Datenbank-Fehler: [Unknown column 'system' in 'INSERT INTO']
INSERT INTO `wp_nextend2_section_storage` (`application`, `section`, `referencekey`, `value`, `system`, `editable`) VALUES ('smartslider', 'settings', '', '{\"n2_ss3_version\":\"3.4.1.13\\/b:release-3.4.1.13\\/r:157a13af325047cc49223f19532494ec2f846cde\"}', '0', '1')