The CESM2 CMIP6 errata page is available through ES-DOC, at
https://errata.es-doc.org/static/index.html
Use the pulldown menu for "Insitution ID" for "NCAR" and you will see all errata.
https://errata.es-doc.org/static/index.html
Use the pulldown menu for "Insitution ID" for "NCAR" and you will see all errata.