src/Pure/ML/ml_process.scala

--- a/src/Pure/ML/ml_process.scala	Tue Nov 10 12:45:20 2020 +0100
+++ b/src/Pure/ML/ml_process.scala	Tue Nov 10 12:48:56 2020 +0100
@@ -32,7 +32,7 @@
     val heaps: List[String] =
       if (raw_ml_system) Nil
       else {
-        sessions_structure.selection(Sessions.Selection.session(logic_name)).
+        sessions_structure.selection(logic_name).
           build_requirements(List(logic_name)).
           map(a => File.platform_path(store.the_heap(a)))
       }