https://bugzilla.mozilla.org/show_bug.cgi?id=1509195
1509195 - Assertion failure: threadOpenedOn == NS_GetCurrentThread(), at...
RESOLVED (nobody) in Toolkit - Places. Last updated 2019-01-08.
assertionfailurens
https://www.php.net/manual/tr/thread.getcurrentthread.php
PHP: Thread::getCurrentThread - Manual
phpthreadmanual