No plugins have been selected from the list. Please select at least one and try again error while trying to register Custom Workflow Activity in CRM 2013 Online. October 9, 2015 by Sreeni Pavalla, posted in CRM 2015 Source: No plugins have been selected from the list. Please select at least one and try again error while trying to register Custom Workflow Activity in CRM 2013 Online. Share this:TwitterFacebookLike this:Like Loading... Related