Php error leads to internal server error

Hello @renzosm

Thank yo0u for reaching out and I am happy to help!
Can you pleas confirm if you are using DB Cache on both main domain and the subdomain, and if so ca you please share which cahcing method is used, and if you are using the same configuration for all sites in the multisid environment

Thanks!

Fatal error: Uncaught TypeError: mysqli_num_fields(): Argument #1 ($result) must be of type mysqli_result, false given in /home/domains/sustainablemontereycounty.org/public/wp-includes/class-wpdb.php:3859 Stack trace: #0 /home/domains/sustainablemontereycounty.org/public/wp-includes/class-wpdb.php(3859): mysqli_num_fields() #1 /home/domains/sustainablemontereycounty.org/public/wp-includes/class-wpdb.php(780): wpdb->load_col_info() #2 /home/domains/sustainablemontereycounty.org/public/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php(226): wpdb->__get() #3 /home/domains/sustainablemontereycounty.org/public/wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php(122): W3TC\DbCache_WpdbInjection_QueryCaching->query() #4 /home/domains/sustainablemontereycounty.org/public/wp-includes/class-wpdb.php(3142): W3TC\DbCache_WpdbNew->query() #5 /home/domains/sustainablemontereycounty.org/public/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(12): wpdb->get_results() #6 /home/domains/sustainablemontereycounty.org/public/wp-content/plugins/insert-php-code-snippet/insert-php-code-snippet.php(48): require(‘…’) #7 /home/domains/sustainablemontereycounty.org/public/wp-settings.php(526): include_once(‘…’) #8 /home/domains/sustainablemontereycounty.org/public/wp-config.php(95): require_once(‘…’) #9 /home/domains/sustainablemontereycounty.org/public/wp-load.php(50): require_once(‘…’) #10 /home/domains/sustainablemontereycounty.org/public/wp-blog-header.php(13): require_once(‘…’) #11 /home/domains/sustainablemontereycounty.org/public/index.php(17): require(‘…’) #12 {main} thrown in /home/domains/sustainablemontereycounty.org/public/wp-includes/class-wpdb.php on line 3859

This is what I get after updating 11 Plug-Ins.

Tried restoring and then doing 1 Plug-In at a time, validating after clearing cache.

No problem until I logged out and then got the Fatal Error again.

?

It was the Insert PHP Code Snippet Plug-In that caused the Fatal Error.