[12-Nov-2018 11:28:45 UTC] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'wpu3_
				 AND p1.`post_modified` < date_sub(now(), INTERVAL 0 DAY)
			ORDER B' at line 9 for query 
			  SELECT '' AS site, 
			  	p1.`ID`,
				p1.`post_parent`,
				p1.`post_title`,
				p1.`post_modified`
				FROM wpu3_posts p1, wpu3_posts p2
			   WHERE p1.`post_type`   = 'revision'
                 AND p1.`post_parent` = p2.ID			   
			         wpu3_
				 AND p1.`post_modified` < date_sub(now(), INTERVAL 0 DAY)
			ORDER BY UCASE(p1.`post_title`)	
			 made by require_once('wp-admin/admin.php'), do_action('tools_page_rvg-optimize-database'), WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, OptimizeDatabase->odb_start_manually, OptimizeDatabase->odb_start, ODB_Cleaner->odb_run_cleaner, ODB_Cleaner->odb_get_revisions_older_than
