I was able to resolve this issue.  I had tried using this version of the sdk (latest)  It didn't work.2021.7.5607.20210705T063041Z-210600I went back two months to this one and it did2021.5.5343.20210524T070738Z-210527 This is a bit concerning.

this worked (well for my coworker)!  Thank you!I am still having this issue.  Do you know what could be causing it?com.adobe.cq.wcm.core.components.models.datalayer,version=[1.3,2) -- Cannot be resolved 

It appears this is the new url for the page,https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content-and-commerce/storefront/developing/customize-cif-components.html?lang=en  //MyProductTeaserImpl.java private static final String ECO_FRIENDLY_ATTRIBUTE = "eco_friendly"; @Po...

This url mentioned in the slides is missing.  https://experienceleague.adobe.com/docs/experience-manager-cloud-service/commerce/customize/customize-cif-components.html