error key not found

gistfile1.txt

key :params not found in: %Ecto.Multi{names: #MapSet<[:folder, :params]>, 
operations: [params: {:run, #Function<13.60857908/1 in 
Enterprise.Contract.Folder.update/3>}, folder: {:changeset, #Ecto.Changeset<action: 
:update, changes: %{folder_groups: [#Ecto.Changeset<action: :replace, changes: %{}, 
errors: [], data: #Enterprise.FolderGroup<>, valid?: true>, #Ecto.Changeset<action: 
:insert, changes: %{group_id: 8}, errors: [], data: #Enterprise.FolderGroup<>, valid?: 
true>, #Ecto.Changeset<action: :insert, changes: %{group_id: 3}, errors: [], data: 
#Enterprise.FolderGroup<>, valid?: true>]}, errors: [], data: #Enterprise.Folder<>, 
valid?: true>, []}]}