The system cannot be resolved, it shows a red arrow because of the ladder

[tasyapı]

hello friends, I have completed the modeling and I want to have an analysis, but; I am getting the system cannot be resolved error It wants me to check the geometry and nothing shows up in the geometry check. it only shows red arrow because of the stairs on the ground floor. I didn't find out what I did wrong on the stairs either. Also, if I have a mistake in general, I welcome your comments and suggestions. good work.

 

[Levent Özpak]

Re: The system cannot be resolved. Show red arrow because of the ladder Hello, -It is seen that the arms of the stairs on the ground floor are not fully connected to each other. In the attached project, the ladder has been rebuilt and analysis can be performed. Note: Also define the raft foundation so that the stairs in the basement can be connected to the foundation. Good work