Hello
How can fix WordPress database error Disk full tmp
2022-08-13 15:24:07.089947 [NOTICE] [1112] [162.158.134.28:29166:HTTP2-1#istream.xyz] [STDERR] WordPress database error Disk full (/tmp/#sql_35c_1.MAI); waiting for someone to free some space… (errno: 28 “No space left on device”)
Please anyone help me to solve this case
clear tmp or reboot your server that will also clear tmp if not happened just rum
rm -rf /tmp/*
Hello
I have increased the size of tmp now fine
But i had new problem 
help me bro
2022-08-17 23:29:43.474255 [NOTICE] [3144] [LocalWorker::workerExec] Config[stresof3885.655340]: suExec uid 1005 gid 1005 cmd /usr/local/lsws/lsphp74/bin/lsphp, final uid 1005 gid 1005, flags: 0.
2022-08-17 23:29:43.474781 [NOTICE] [3144] [iterov3885.655340] add child process pid: 3231
2022-08-17 23:29:43.474870 [INFO] [3144] [iterov3885.655340]: unlocked pid file [/tmp/lshttpd/[iterov3885.sock.pid].
2022-08-17 23:29:44.657165 [INFO] [3141] [softwe3379.655340]: locked pid file [/tmp/lshttpd/softwe3379.sock.pid].
2022-08-17 23:29:44.657196 [INFO] [3141] [softwe3379.655340] remove unix socket for detached
No request delivery notification has been received from LSAPI application, possible dead lock.
2022-08-17 23:54:04.800993 [INFO] [3134] Failed to get process [5184] start time, not running, skip killing.
2022-08-17 23:54:34.655285 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:54:34.655325 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:54:34.655338 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:54:34.656001 [NOTICE] [3136] [AdminPHP] add child process pid: 5237
2022-08-17 23:55:05.077890 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5237:-3:0’.
2022-08-17 23:55:05.801012 [NOTICE] [3134] Cmd from child: [extappkill:5237:-3:0]
2022-08-17 23:55:05.801058 [INFO] [3134] Failed to get process [5237] start time, not running, skip killing.
2022-08-17 23:55:35.849753 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:55:35.849785 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:55:35.849798 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:55:35.850250 [NOTICE] [3136] [AdminPHP] add child process pid: 5331
2022-08-17 23:56:06.079874 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5331:-3:0’.
2022-08-17 23:56:06.801013 [NOTICE] [3134] Cmd from child: [extappkill:5331:-3:0]
2022-08-17 23:56:06.801062 [INFO] [3134] Failed to get process [5331] start time, not running, skip killing.
2022-08-17 23:56:36.664904 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:56:36.664939 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:56:36.664951 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:56:36.665371 [NOTICE] [3136] [AdminPHP] add child process pid: 5369
2022-08-17 23:57:07.024357 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5369:-3:0’.
2022-08-17 23:57:07.800952 [NOTICE] [3134] Cmd from child: [extappkill:5369:-3:0]
2022-08-17 23:57:07.801026 [INFO] [3134] Failed to get process [5369] start time, not running, skip killing.
2022-08-17 23:57:37.654730 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:57:37.654760 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:57:37.654773 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:57:37.655161 [NOTICE] [3136] [AdminPHP] add child process pid: 5458
2022-08-17 23:58:08.078425 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5458:-3:0’.
2022-08-17 23:58:08.800967 [NOTICE] [3134] Cmd from child: [extappkill:5458:-3:0]
2022-08-17 23:58:08.801046 [INFO] [3134] Failed to get process [5458] start time, not running, skip killing.
2022-08-17 23:58:38.645116 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:58:38.645158 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:58:38.645177 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:58:38.645934 [NOTICE] [3136] [AdminPHP] add child process pid: 5516
2022-08-17 23:59:09.003011 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5516:-3:0’.
2022-08-17 23:59:09.800956 [NOTICE] [3134] Cmd from child: [extappkill:5516:-3:0]
2022-08-17 23:59:09.801041 [INFO] [3134] Failed to get process [5516] start time, not running, skip killing.
2022-08-17 23:59:39.649886 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:59:39.649915 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-17 23:59:39.649927 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-17 23:59:39.650498 [NOTICE] [3136] [AdminPHP] add child process pid: 5559
2022-08-18 00:00:10.095110 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5559:-3:0’.
2022-08-18 00:00:10.800795 [NOTICE] [3134] Cmd from child: [extappkill:5559:-3:0]
2022-08-18 00:00:10.800854 [INFO] [3134] Failed to get process [5559] start time, not running, skip killing.
2022-08-18 00:00:40.659737 [NOTICE] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-18 00:00:40.659761 [INFO] [3136] [LocalWorker::workerExec] VHost:_AdminVHost suExec check uid 998 gid 65534 setuidmode 2.
2022-08-18 00:00:40.659773 [NOTICE] [3136] [LocalWorker::workerExec] Config[AdminPHP]: suExec uid -1 gid -1 cmd /usr/local/lsws/admin/fcgi-bin/admin_php -c …/conf/php.ini, final uid 998 gid 65534, flags: 0.
2022-08-18 00:00:40.660203 [NOTICE] [3136] [AdminPHP] add child process pid: 5815
2022-08-18 00:01:11.007895 [NOTICE] [3136] sendKillCmdToWatchdog: ‘extappkill:5815:-3:0’.
2022-08-18 00:01:11.800927 [NOTICE] [3134] Cmd from child: [extappkill:5815:-3:0]
2022-08-18 00:01:11.800988 [INFO] [3134] Failed to get process [5815] start time, not running, skip killing.
how can i add cronjob to clean tmp folder automatically?
you can add cron job on Daily basis using the following steps:
go to /etc/cron/daily
then add new file using : nano tem-delete
add inside the file 
#!/bin/sh
rm -rf /tmp/*