Other details:
This function throws a fatal error on this host:
2022/12/12 13:01:40 [error] 43293#43293: *15039 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Call to undefined function Logeecom\Infrastructure\Utility\getmypid() in /www/fisioscience_255/public/wp-content/plugins/packlink-pro-shipping/vendor/packlink/integration-core/src/Infrastructure/Utility/GuidProvider.php:52
Stack trace:
#0 /www/fisioscience_255/public/wp-content/plugins/packlink-pro-shipping/vendor/packlink/integration-core/src/Infrastructure/TaskExecution/TaskRunnerWakeupService.php(105): Logeecom\Infrastructure\Utility\GuidProvider->generateGuid()
#1 /www/fisioscience_255/public/wp-content/plugins/packlink-pro-shipping/vendor/packlink/integration-core/src/Infrastructure/TaskExecution/TaskRunnerWakeupService.php(53): Logeecom\Infrastructure\TaskExecution\TaskRunnerWakeupService->doWakeup()
#2 /www/fisioscience_255/public/wp-content/plugins/packlink-pro-shipping/Components/Utility/class-task-queue.php(82): Logeecom\Infrastructure\TaskExecution\TaskRunnerWakeupService->wakeup()
#3 /www/fisioscience_255/public/wp-content/plugins/packlink" while reading response header from upstream, client: 195.32.112.33, server: www.fisioscience.it, request: "GET /wp-admin/ HTTP/1.1", upstream: "fastcgi://unix:/var/run/php8.0-fpm-fisioscience.sock:", host: "www.fisioscience.it:27354", referrer: "https://www.fisioscience.it/wp-login.php?itsec-hb-token=f10e"
I temporarily fixed the problem by changing line 52 of the GiudProvider.php file from return uniqid(getmypid() . '_', true);
to return uniqid(mt_rand() . '_', true);
but I don’t know if it’s the correct solution.