TF400504: This element defines the fields that appear on the add panel for your product backlog. Each field must exist in ...

TF400504: This element defines the fields that appear on the add panel for your product backlog. Each field must exist in at least one of the work item types of the work item category that is defined in the following element in the common settings: {0}. The following fields do not exist in any of those work item types: {1}.