The solution to solving the dbModel read resource does not implement Zend_Db_Adapter_Abstract error is actually quite simple, clear the folders/files within the magento_root /var/cache/ folder.

Magento 2.4.7 is here!
David Pratt

Magento 2.4.7 Has Arrived!

Magento 2.4.7 is set to land, with the latest release due to be launched on Tuesday the 9th of April 2024. The latest updates sees over 150 performance and security fixes as well as platform enhancements and upgrades.
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DTF Digital