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Magento Knowledge Quick Tips

Magento 2 error “Maximum function nesting level reached”

If you have Xdebug installed on your local development machine, you might experience the following error when running Magento:

Fatal error: Maximum function nesting level of ‘256’ reached, aborting!

(instead of 256, the reported nesting level might be different)
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Quick Tips

Access back-end with non-standard TLS port

When you’re running Magento 2 inside a Docker container (for example for local development) and you’re using a non-standard TLS port (or SSL port) like 44333, then your back-end adminhtml route will trigger a 404 error.