I did not genenerate the the ui.frontend model in WKND Tutorial

I don't see any error in browser console. I can see an error in stdrr.log. 21.04.2020 10:05:52.527 *ERROR* [FelixStartLevel] ERROR: Bundle '544' Error starting jcrinstall:/apps/weretail/install/we.retail.core-3.0.0.jar (org.osgi.framework.BundleException: Unable to resolve com.adobe.cq.sample.we.retail.core [544](R 544.0): missing requirement [com.adobe.cq.sample.we.retail.core [544](R 544.0)] osgi.wiring.package; (&(osgi.wiring.package=com.adobe.cq.wcm.core.components.models)(version>=12.2.0)(!...

Thanks for the reply. Can you give details about "You might be missing out the editable template's policies. You need to set some allowed components in the layout container / responsive grid component."? I'm trying Component Authoring in https://docs.adobe.com/content/help/en/experience-manager-learn/getting-started-wknd-tutorial-develop/component-basics.html