Fatal error after updating the plugin

  • Resolved Kokku

    (@kokkultd)


    2 years, 6 months ago

    Hello,

    We upgraded the plugin on one of our website today, and it breaks the site down. We can’t simply log into the admin panel. Here is the error message:

    Fatal error: Uncaught Error: Undefined class constant 'MAJOR_VERSION' in ../wp-content/plugins/paytrail-for-woocommerce/vendor/guzzlehttp/guzzle/src/Utils.php:113 Stack trace: #0 ../wp-content/plugins/paytrail-for-woocommerce/vendor/guzzlehttp/guzzle/src/functions.php(71): GuzzleHttp\Utils::defaultUserAgent() #1 ../wp-content/plugins/woocommerce-gateway-checkout-finland/vendor/guzzlehttp/guzzle/src/Client.php(202): GuzzleHttp\default_user_agent() #2 ../wp-content/plugins/woocommerce-gateway-checkout-finland/vendor/guzzlehttp/guzzle/src/Client.php(75): GuzzleHttp\Client->configureDefaults(Array) #3 ../wp-content/plugins/paytrail-for-woocommerce/vendor/paytrail/paytrail-php-sdk/src/Util/RequestClient.php(45): GuzzleHttp\Client->__construct(Array) #4 ../wp-content/plugins/paytrail-for-woocommerce/vendor/paytrail/paytrail-php-sdk/src/Util/RequestClient.php(19): Paytrail\SDK\Util\RequestClient->createClient() #5 /n in ../wp-content/plugins/paytrail-for-woocommerce/vendor/guzzlehttp/guzzle/src/Utils.php on line 113

    Can you check and let us know how to fix this issue? Thanks.

    Br,
    Liang

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