Exception: Notice: Trying to access array offset on value of type null in /home/vanel-staging-ssh/htdocs/staging.vanel.tech/app/code/WeltPixel/Newsletter/Helper/Data.php on line 80 in /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/app/code/WeltPixel/Newsletter/Helper/Data.php(80): Magento\Framework\App\ErrorHandler->handler()
#1 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/app/code/WeltPixel/Newsletter/Plugin/HttpContext.php(42): WeltPixel\Newsletter\Helper\Data->isEnabled()
#2 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(121): WeltPixel\Newsletter\Plugin\HttpContext->beforeGetVaryString()
#3 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Context\Interceptor->Magento\Framework\Interception\{closure}()
#4 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/generated/code/Magento/Framework/App/Http/Context/Interceptor.php(23): Magento\Framework\App\Http\Context\Interceptor->___callPlugins()
#5 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/Response/Http.php(108): Magento\Framework\App\Http\Context\Interceptor->getVaryString()
#6 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/module-page-cache/Model/App/Response/HttpPlugin.php(29): Magento\Framework\App\Response\Http->sendVary()
#7 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(121): Magento\PageCache\Model\App\Response\HttpPlugin->beforeSendResponse()
#8 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}()
#9 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(23): Magento\Framework\App\Response\Http\Interceptor->___callPlugins()
#10 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/ExceptionHandler.php(103): Magento\Framework\App\Response\Http\Interceptor->sendResponse()
#11 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/ExceptionHandler.php(70): Magento\Framework\App\ExceptionHandler->handleDeveloperMode()
#12 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\ExceptionHandler->handle()
#13 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Http->catchException()
#14 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\Http\Interceptor->___callParent()
#15 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}()
#16 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/generated/code/Magento/Framework/App/Http/Interceptor.php(23): Magento\Framework\App\Http\Interceptor->___callPlugins()
#17 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/vendor/magento/framework/App/Bootstrap.php(269): Magento\Framework\App\Http\Interceptor->catchException()
#18 /home/vanel-staging-ssh/htdocs/staging.vanel.tech/pub/index.php(29): Magento\Framework\App\Bootstrap->run()
#19 {main}