Fail in dynamo Workflow

Hello Everyone. Please assist my dynamo workflow that I made. I would like to create PC box Girder model but in last part was failed. I don’t know why? please help me out. The files are attached.
Best regards
Box Girder Adaptive Family.rfa (664 KB)
Coord.xlsx (10.6 KB)
Home.dyn (27.6 KB)

Your incoming on the last node does not seem to be the correct one
look this way


Thanks for swift replied Christian. I stuck on this. So make me difficult to move forward.

I’m not a high level (hope this can help)


Show what data are going into the last node. Probably curves are incorrect.

What does the warning state? You can hover to expand the pop-up, highlight the text, and hit ctrl+c.