求助，数据库被灌满了，打不开页面

现在打开就显示：
Discuz! Database Error(1142) INSERT command denied to user 'qdm114540168'@'114.215.120.214' for table 'common_process'REPLACE INTO common_process SET `processid`='DZ_CRON_6' , `expiry`='1526520653'

PHP Debug

No.	File	Line	Code
1	forum.php	56	discuz_application->init()
2	source/class/discuz/discuz_application.php	70	discuz_application->_init_cron()
3	source/class/discuz/discuz_application.php	544	discuz_cron::run()
4	source/class/discuz/discuz_cron.php	27	discuz_process::islocked(%s, %d)
5	source/class/discuz/discuz_process.php	18	discuz_process::_find(%s, %d)
6	source/class/discuz/discuz_process.php	40	discuz_process::_cmd(%s, %s, %d)
7	source/class/discuz/discuz_process.php	58	discuz_process::_process_cmd_db(%s, %s, %d)
8	source/class/discuz/discuz_process.php	81	discuz_table->insert(Array, false, true)
9	source/class/discuz/discuz_table.php	81	discuz_database::insert(%s, Array, false, true, false)
10	source/class/discuz/discuz_database.php	60	discuz_database::query(%s, %s, %s, true)
11	source/class/discuz/discuz_database.php	136	db_driver_mysql->query(%s, %s, true)
12	source/class/db/db_driver_mysql.php	153	db_driver_mysql->halt(%s, %d, %s)
13	source/class/db/db_driver_mysql.php	224	break()

数据库空间,总共50M， 显示：50.07M

进入数据库，删除垃圾内容

修复优化数据库 可以用PHPMYADMIN 进行操作，    如果不会 可以联系我的QQ交谈

50M数据库放不了几个东西，该升级网站空间了。

库太小了 扩容下哦