<br />
<b>Warning</b>:  Undefined array key "HTTP_REFERER" in <b>/home/stagebc/public_html/pub/index.php</b> on line <b>2</b><br />
<br />
<b>Deprecated</b>:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in <b>/home/stagebc/public_html/pub/index.php</b> on line <b>2</b><br />
1 exception(s):
Exception #0 (Exception): Warning: Cannot modify header information - headers already sent by (output started at /home/stagebc/public_html/pub/index.php:2) in /home/stagebc/public_html/app/code/CT/Cors/Observer/AddCorsHeaders.php on line 11

Exception #0 (Exception): Warning: Cannot modify header information - headers already sent by (output started at /home/stagebc/public_html/pub/index.php:2) in /home/stagebc/public_html/app/code/CT/Cors/Observer/AddCorsHeaders.php on line 11
<pre>#1 header() called at [app/code/CT/Cors/Observer/AddCorsHeaders.php:11]
#2 CT\Cors\Observer\AddCorsHeaders->execute() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:88]
#3 Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:74]
#4 Magento\Framework\Event\Invoker\InvokerDefault->dispatch() called at [vendor/magento/framework/Event/Manager.php:65]
#5 Magento\Framework\Event\Manager->dispatch() called at [vendor/magento/framework/App/Http.php:131]
#6 Magento\Framework\App\Http->launch() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#7 Magento\Framework\App\Http\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
#8 Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-application-performance-monitor/Plugin/ApplicationPerformanceMonitor.php:38]
#9 Magento\ApplicationPerformanceMonitor\Plugin\ApplicationPerformanceMonitor->aroundLaunch() called at [vendor/magento/framework/Interception/Interceptor.php:135]
#10 Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#11 Magento\Framework\App\Http\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:23]
#12 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:264]
#13 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:2]
</pre>