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Fatal error on submit quiz

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Viewing 14 posts - 1 through 14 (of 14 total)
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  • January 30, 2020 at 8:24 am #2136
    dexdex
    Participant

    Hi could you please help with this bug on display of the results page after submit.

    Fatal error: Uncaught Error: Call to undefined function is_plugin_active() in <host>/wp-content/plugins/quiz-master-next/php/classes/class-qmn-quiz-manager.php:1035
    Stack trace: #0 <host>/wp-content/plugins/quiz-master-next/php/classes/class-qmn-quiz-manager.php(909): QMNQuizManager->submit_results(Object(stdClass), Array) #1 <host>/wp-content/plugins/quiz-master-next/php/classes/class-qmn-quiz-manager.php(267): QMNQuizManager->display_results(Object(stdClass), Array) #2 <host>/wp-includes/shortcodes.php(325): QMNQuizManager->display_shortcode(Array, ”, ‘mlw_quizmaster’) #3 [internal function]: do_shortcode_tag(Array) #4 <host>/wp-includes/shortcodes.php(199): preg_replace_callback(‘/\\[(\\[?)(mlw_qu…’, ‘do_shortcode_ta…’, ‘<div class=’mai…’) #5 <host> in <host>/wp-content/plugins/quiz-master-next/php/classes/class-qmn-quiz-manager.php on line 1035

    PHP 7.1
    QSM 6.4.2
    Wordpress 5.3.2
    Thanks

    January 30, 2020 at 10:12 am #2137
    Kriti SharmaKriti Sharma
    Keymaster

    Hi Dex,

    Welcome to QSM support forums.

    I have forwarded your reported issue to our development team. I will keep you posted as soon as and when I hear back from them.

    Regards,
    Express Tech Support

    February 2, 2020 at 6:36 pm #2172
    Kriti SharmaKriti Sharma
    Keymaster

    Hi, our development team need admin credentials of your website so that we can look into the issue.

    Regards,
    Kriti

    June 8, 2025 at 7:41 pm #13604
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    Participant

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    June 10, 2025 at 1:38 am #13612
    sprunki phasesprunki phase
    Participant

    It seems like the is_plugin_active() function is missing. Ensure the required plugins are activated or check for sprunki phase 3 compatibility issues.

    June 12, 2025 at 8:39 am #13641
    harry styles7117harry styles7117
    Participant

    It sounds like you’re encountering a common WordPress issue papa’s games where the is_plugin_active() function is not available when it’s being called.

    June 27, 2025 at 8:11 pm #13930
    Abbas KhanAbbas Khan
    Participant

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    June 30, 2025 at 7:09 pm #13968
    Pelven KleinPelven Klein
    Participant

    That fatal error on quiz submission sounds frustrating—especially when everything else seems to work fine. Hope the devs patch it soon! Meanwhile, I’m sipping on a brew made with coffee beans from Nicaragua to stay calm and debug-ready. ☕ Patience and caffeine go hand in hand!

    July 5, 2025 at 7:04 am #14033
    Ali RazaAli Raza
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    January 12, 2026 at 4:38 pm #17537
    Henry AshfordHenry Ashford
    Participant

    This looks like a classic WordPress function loading issue and usually gets resolved by updating the plugin or including the proper core file before calling is_plugin_active(). While waiting on a fix, troubleshooting feels a bit easier with a cup from bewiched coffee uk to keep the focus going during debugging.

    August 11, 2026 at 9:07 pm #23791
    William SonWilliam Son
    Participant

    Fatal error on submit quiz that are occur due to the some issue that face in submiting file so you cando it set this submission issue form backend of file then the quiz are easily update in it.

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    August 14, 2026 at 4:36 am #23885
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    August 17, 2026 at 3:38 pm #23989
    Alex Alex123Alex Alex123
    Participant

    This looks like a plugin compatibility issue, and loading WordPress’s plugin functions before calling is_plugin_active() should resolve the error.
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