[SOLVED] Backend events error

ALTER TABLE j4arz3_jem_attachments MODIFY added datetime NULL DEFAULT null; ALTER TABLE j4arz3_jem_categories MODIFY description mediumtext NULL DEFAULT null , MODIFY meta_keywords text NULL DEFAULT null , MODIFY meta_description text NULL DEFAULT null , MODIFY checked_out_time datetime NULL DEFAULT null , MODIFY note varchar(255) NULL DEFAULT null , MODIFY language varchar(7) NULL DEFAULT null , MODIFY created_time datetime NOT NULL DEFAULT current_timestamp() , MODIFY path varchar(255) NULL DEFAULT null , MODIFY metadata varchar(2048) NULL DEFAULT null , MODIFY modified_time datetime NULL DEFAULT null , MODIFY email varchar(200) NULL DEFAULT null; ALTER TABLE j4arz3_jem_cats_event_relations MODIFY ordering tinyint(11) NOT NULL DEFAULT 0; ALTER TABLE j4arz3_jem_events MODIFY modified datetime NULL DEFAULT null , MODIFY created datetime NOT NULL DEFAULT current_timestamp() , MODIFY meta_keywords varchar(200) NULL DEFAULT null , MODIFY meta_description varchar(255) NULL DEFAULT null , MODIFY checked_out_time datetime NULL DEFAULT null , MODIFY attribs varchar(5120) NOT NULL DEFAULT '''' , MODIFY language char(7) NOT NULL DEFAULT ''''; ALTER TABLE j4arz3_jem_groups MODIFY description mediumtext NULL DEFAULT null , MODIFY checked_out_time datetime NULL DEFAULT null; ALTER TABLE j4arz3_jem_venues MODIFY locdescription mediumtext NULL DEFAULT null , MODIFY meta_keywords text NULL DEFAULT null , MODIFY meta_description text NULL DEFAULT null , MODIFY created datetime NOT NULL DEFAULT current_timestamp() , MODIFY modified datetime NULL DEFAULT null , MODIFY checked_out_time datetime NULL DEFAULT null , MODIFY publish_up datetime NULL DEFAULT null , MODIFY publish_down datetime NULL DEFAULT null , MODIFY attribs varchar(5120) NULL DEFAULT null , MODIFY language char(7) NULL DEFAULT null; UPDATE j4arz3_jem_config SET value = 'H:i' WHERE keyname = 'formattime'; UPDATE j4arz3_jem_config SET value = 'H' WHERE keyname = 'formathour'; UPDATE j4arz3_jem_config SET value = '{"css_backend_usecustom":"0","css_backend_customfile":"","css_calendar_usecustom":"0","css_calendar_customfile":"","css_colorpicker_usecustom":"0","css_colorpicker_customfile":"","css_geostyle_usecustom":"0","css_geostyle_customfile":"","css_googlemap_usecustom":"0","css_googlemap_customfile":"","css_jem_usecustom":"0","css_jem_customfile":"","css_print_usecustom":"0","css_print_customfile":"","css_color_bg_filter":"","css_color_bg_h2":"","css_color_bg_jem":"","css_color_bg_table_th":"","css_color_bg_table_td":"","css_color_bg_table_tr_entry2":"","css_color_bg_table_tr_hover":"","css_color_bg_table_tr_featured":"","css_color_border_filter":"","css_color_border_h2":"","css_color_border_table_th":"","css_color_border_table_td":"","css_color_font_h2":"","css_color_font_table_th":"","css_color_font_table_td":"","css_color_font_table_td_a":""}' WHERE keyname ='css'; UPDATE j4arz3_jem_config SET value = 'jpg,gif,png,webp' WHERE keyname = 'image_filetypes'; INSERT IGNORE INTO `j4arz3_jem_config` (`keyname`, `value`, `access`) VALUES ('flagicons_path', 'media/com_jem/images/flags/w20-png/', '0'); ALTER TABLE `j4arz3_jem_events` ADD `minbookeduser` INT NOT NULL DEFAULT '0' AFTER `maxplaces`; ALTER TABLE `j4arz3_jem_events` ADD `maxbookeduser` INT NOT NULL DEFAULT '0' AFTER `minbookeduser`; ALTER TABLE `j4arz3_jem_events` ADD `reservedplaces` INT NOT NULL DEFAULT '0' AFTER `maxbookeduser`;

DELETE FROM `j4arz3_jem_config` WHERE `keyname`='evdelrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='eventeditrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='evpubrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='locdelrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='locpubrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vcalendar'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vcategories'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vcategory'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='veditevent'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='venueeditrec'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='version'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vevent'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vvenue'; DELETE FROM `j4arz3_jem_config` WHERE `keyname`='vvenues';