Unable to delete wordpress plugin

[ysintos]

I am unable to delete a plugin and i get the following errors in log. any help please??

2020-02-08 23:00:20.261168 [INFO] [demodev.990]: locked pid file [/tmp/lshttpd/demodev.sock.pid].
2020-02-08 23:00:20.261218 [INFO] [demodev.990] remove unix socket for detached process: /tmp/lshttpd/demodev.sock
2020-02-08 23:00:20.261406 [NOTICE] [LocalWorker::workerExec] VHost:demo2.dev.uoi.gr suExec check uid 99 gid 99 setuidmode 0.
2020-02-08 23:00:20.261419 [NOTICE] [LocalWorker::workerExec] Config[demodev.990]: suExec uid 5003 gid 5003 cmd /usr/local/lsws/lsphp73/bin/lsphp, final uid 5003 gid 5003.
2020-02-08 23:00:20.261850 [NOTICE] [demodev.990] add child process pid: 51776
2020-02-08 23:00:20.261941 [INFO] [demodev.990]: unlocked pid file [/tmp/lshttpd/demodev.sock.pid].
2020-02-08 23:00:30.014636 [INFO] [prosfor.990]: locked pid file [/tmp/lshttpd/prosfor.sock.pid].
2020-02-08 23:00:30.014666 [INFO] [prosfor.990] remove unix socket for detached process: /tmp/lshttpd/prosfor.sock
2020-02-08 23:00:30.014822 [NOTICE] [LocalWorker::workerExec] VHostrosfora.dev.uoi.gr suExec check uid 99 gid 99 setuidmode 0.
2020-02-08 23:00:30.014835 [NOTICE] [LocalWorker::workerExec] Config[prosfor.990]: suExec uid 5010 gid 5010 cmd /usr/local/lsws/lsphp73/bin/lsphp, final uid 5010 gid 5010.
2020-02-08 23:00:30.015263 [NOTICE] [prosfor.990] add child process pid: 51795
2020-02-08 23:00:30.015317 [INFO] [prosfor.990]: unlocked pid file [/tmp/lshttpd/prosfor.sock.pid].
2020-02-08 23:00:41.059410 [NOTICE] [176.92.183.176:52429-Q:BE16657335E22844-7#prosfora.dev.uoi.gr] [STDERR] WordPress database error Table 'pros_db.wp_sitemeta' doesn't exist for query DELETE FROM wp_sitemeta WHERE `meta_key` LIKE 'wp_cassify%' made by do_action('wp_ajax_delete-plugin'), WP_Hook->do_action, WP_Hook->apply_filters, wp_ajax_delete_plugin, delete_plugins, uninstall_plugin, do_action('uninstall_wp-cassify/wp-cassify.php'), WP_Hook->do_action, WP_Hook->apply_filters, wp_cassify_uninstall
2020-02-08 23:00:41.059873 [NOTICE] [176.92.183.176:52429-Q:BE16657335E22844-7#prosfora.dev.uoi.gr] [STDERR] PHP Fatal error: Uncaught Error: Call to undefined function wp_get_sites() in /home/prosfora.dev.uoi.gr/public_html/wp-content/plugins/wp-cassify/wp-cassify.php:54
Stack trace:
#0 /home/prosfora.dev.uoi.gr/public_html/wp-includes/class-wp-hook.php(288): wp_cassify_uninstall('')
#1 /home/prosfora.dev.uoi.gr/public_html/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters('', Array)
#2 /home/prosfora.dev.uoi.gr/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /home/prosfora.dev.uoi.gr/public_html/wp-admin/includes/plugin.php(1233): do_action('uninstall_wp-ca...')
#4 /home/prosfora.dev.uoi.gr/public_html/wp-admin/includes/plugin.php(944): uninstall_plugin('wp-cassify/wp-c...')
#5 /home/prosfora.dev.uoi.gr/public_html/wp-admin/includes/ajax-actions.php(4541): delete_plugins(Array)
#6 /home/prosfora.dev.uoi.gr/public_html/wp-includes/class-wp-hook.php(288): wp_ajax_delete_plugin('')
#7 /home/prosfora.dev.uoi.gr/public_html/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters('', Array)
#8 /home/pro in /home/prosfora.dev.uoi.gr/public_html/wp-content/plugins/wp-cassify/wp-cassify.php on line 54

 

[Pong]

looks like your wordpress installation issue "WordPress database error Table 'pros_db.wp_sitemeta' doesn't exist for query ". not related to OpenLiteSpeed web server at all.