Cannot pipe id recovery after id linking

[stitam]

"PRJNA557095" |> ncbi_get_uid(db = "bioproject") |> ncbi_link_uid(to = "pubmed") |> ncbi_recover_id()
Error in ncbi_recover_id(ncbi_link_uid(ncbi_get_uid("PRJNA557095", db = "bioproject"),  : 
  Specify a 'db' argument or query an object of class 'ncbi_uid'.