Having disabled module output in the Magneto Admin, under Stores > Settings > Configuration > ADVANCED > Advanced, you might start seeing issues related to the module functionality.
Affected products and versions
- Magento Commerce Cloud, Magento Commerce, Magento Open Source
- 2.1.X or earlier
Disabling a module output under Stores > Settings > Configuration > ADVANCED > Advanced disables only the output (HTML, JS), but it does not disable the functionality of this module.
If you need to disable module functionality, disable the module as described in the Enable or disable modules article.
The module output disabling functionality was removed starting from version 2.2.0.