Example: OCM differs by element type (choice versus sequence)

Source OCM                         Destination OCM
A {1,-1} (,)                               A {1,-1} (|)
     B {1,1} (|)                               B{1,1} (|)
          #text                                       #text
     C {1,1} (|)                               C {1,1) (|)
          #text                                       #text
     D {1,1} (|)                               D {1,1} (|)
          #text                                       #text

The source message can contain unlimited repetitions.

This operation fails because A in the source is a sequence and A in the destination is a choice.