in Xenforo admin console there are few Errors logged. Latest version plugin, though these errors were there even before that also.
Here is one
Stack trace
Request state
There are few such errors reported in XF admin
router.class.php:77 is another.
Here is one
Code:
ErrorException: [E_NOTICE] Undefined index: https://us4.wp.api.litespeedtech.com
/readacted/wp-content/plugins/litespeed-cache/inc/img_optm.class.php:1117
Code:
#0 /readacted/wp-content/plugins/litespeed-cache/inc/img_optm.class.php(1117): XF::handlePhpError(8, '[E_NOTICE] Unde...', '/home/dlifein1/...', 1117, Array)
#1 /readacted/wp-content/plugins/litespeed-cache/inc/img_optm.class.php(932): LiteSpeed_Cache_Img_Optm->_pull_optimized_img()
#2 /readacted/wp-includes/class-wp-hook.php(286): LiteSpeed_Cache_Img_Optm::cron_pull_optimized_img()
#3 /readacted/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array)
#4 /readacted/wp-includes/plugin.php(515): WP_Hook->do_action(Array)
#5 /readacted/wp-cron.php(126): do_action_ref_array('litespeed_imgop...', Array)
#6 {main}
Code:
array(4) {
["url"] => string(60) "/wp-cron.php?doing_wp_cron=1535484950.1396799087524414062500"
["referrer"] => string(80) "https://domain.tld/wp-cron.php?doing_wp_cron=1535484950.1396799087524414062500"
["_GET"] => array(1) {
["doing_wp_cron"] => string(33) "1535484950.1396799087524414062500"
}
["_POST"] => array(0) {
}
}
router.class.php:77 is another.