Composition fails with “Schema has no type ‘ FieldSet’” when a directive is applied to the FieldSet scalar…

Composition fails with “Schema has no type ‘ FieldSet’” when a directive is applied to the FieldSet scalar…: a task in LegoFlow-SWE (Harbor dataset). When upgrading a fed1 subgraph that applies a directive (such as @tag ) to the FieldSet scalar type, composition crashes with an internal error: