Support » Plugin: Query Monitor » exec(): Unable to fork [whoami] message

  • Resolved mcketty17

    (@mcketty17)


    Hi Guys,

    I recently downloaded query monitor for my current site as I kept getting the 03 service unavailable message frequently. could someone please explain what the following PHP error message means please?

    wp-content/plugins/query-monitor/collectors/environment.php:291
    exec()
    wp-content/plugins/query-monitor/collectors/environment.php:291
    do_action(‘shutdown’)
    wp-includes/load.php:1007
    shutdown_action_hook()
    Unknown location

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