I am getting error during analysis

[M.ORAL]

Hello, I am getting an error during the analysis in the attached project. The analysis cannot be completed. What could be the reason?

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[Emrah YILDIZ]

-All floors are considered rigid in Y direction in floor general settings. Calculations can be made only when the 1st and 2nd basements are considered rigid. -Because BYS=5 DTS=1 in your project, you cannot solve it as a hollow block (Single Direction Threaded Flooring). If you accept the 4th floor as the Elevator engine room, you can try to solve the hollow block since BYS=6. -It would be appropriate to define P04/P06 curtains as a group.