Hi @greg888GP, I opened your file, and it seems to be OK. Could you please upload a sketch of how you aim for the subassembly to look when working in Layout Mode?
Furthermore, I'm curious. Could you please explain how you created them? I hadn't seen these before.
Which Subassembly Composer version are you using?
Best regards!
Camilo Fernández
Civil engineer | Specialist in design, construction, and maintenance of roadways