The issue is resolved by deleting tags under workflow jcr:content. There are two tags workflow:wcm and workflow:dam .

Thanks for the document. I don't see few custom workflows in the drop-down listed to even apply for DAM Assets. But I see the same workflows in workflow console and also  I see them in the dropdown when I try to apply workflow for pages.

I am trying to add custom workflow to DAM asset but cannot find workflow in the list of workflows. When I try to apply workflow for a page I see all the workflows listed. This issue is only when I try to apply workflow form DAM Assets.Below is the screenshot when I try to activate page which shows D...