<?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Acl/etc/acl.xsd"> <acl> <resources> <!-- Define at least one minimal resource --> <resource id="Magento_Backend::admin"> <!-- You can leave this empty if you don't want to define specific permissions --> </resource> </resources> </acl> </config>