How to Creating Space Concept Root using Bounding Box

Hey everyone, I am messing around in the space allocation app and ran into a conundrum. I am normally able to create space cells using the space manager with just an external volume (no bounding box) and from there, I publish the external volume and us the Space Concept Root Creation button in the operations tab to publish and create the hierarchy. My issue occurs when I am trying to use a bounding box in my space cell creation along with the external volume. I am able to create the space cells without an issue, but no matter what I do, if I try to use the Space Concept Root Creation button to create the system hierarchy, I get a message saying that the "referring space system are different". My bounding box is inside a space referential system that is under the same product as the space root for clarification. I have tried numerous things and they do not seem to work. If anyone has a solution I would appreciate the help! Thank you