Solved
Error in ui.content module while building archetype project for AEMAACS
Failed to execute goal org.apache.jackrabbit:filevault-package-maven-plugin:1.1.6:validate-package (default-validate-package) on project demo-project.ui.content
Failed to execute goal org.apache.jackrabbit:filevault-package-maven-plugin:1.1.6:validate-package (default-validate-package) on project demo-project.ui.content
Try to upgrade Maven version and also check if Java 11 is being used.
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