I updated my website to Magento 2.3.1, and thought everything was working. However the product detail pages all show a blank page, no errors are shown.

I have enabled error reporting in both bootstrap.php and index.php, magento mode is on developer.

The webpage can be found here:


All other pages work fine, how can I make sure I finally get an error on the page so I can debug it?


In the vendor/magento/module-catalog/Controller/Product/View.php on line 117 add a return statement so the prepareAndRender is skipped and you will see the actual error.

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