Database Errors with Hummingbird and other errors

WordPress database error x02Got a packet bigger than ‘max_allowed_packet’ bytesx04 for query x02UPDATE wp_34_options SET option_value = ‘a:643:{i:0;O:34:\”WP_Hummingbird_Module_Minify_Group\”:15:{s:43:\”WP_Hummingbird_Module_Minify_Grouphandles\”;a:4:{i:0;s:15:\”bp-default-main\”;i:1;s:11:\”bp-fbgamers\”;i:2;s:21:\”bp-default-responsive\”;i:3;s:12:\”bubbleSheets\”;}s:47:\”WP_Hummingbird_Module_Minify_Grouphandle_urls\”;a:4:{s:15:\”bp-default-main\”;s:91:\”https://fbgamers.me/wp-content/plugins/buddypress/bp-themes/bp-default/_inc/css/default.css\”;s:11:\”bp-fbgamers\”;s:59:\”https://fbgamers.me/wp-content/themes/bp-fbgamers/style.css\”;s:21:\”bp-de (snipped)

another error

preg_match_all(): Compilation failed: unrecognized character after (?< at offset 3 in /home/…./wp-content/plugins/wp-hummingbird/core/modules/minify/class-minify-group.php on line 835