Hello. My suggestions: --1. Remove the basement rigidity tick, --Location of your building, (check its coordinates) --Input the elevator curtain separately as a curtain, (modeling as a column is not suitable) --Make the elevator curtains as a group, --Do not model a beam that does not fit on the curtain like K51 in front of the elevator curtain , --K105-106 combine and make a single beam, --Fix the errors in the geometry control, ( The most important ones; You have given the element you need to give as a wall as a column, There is an incorrect column placement on top of each other, Beam widths (must be b=25 cm) are not correct ,) Even if you correct these errors, the account may not be saved because the building is hollow. Unver ÖZCAN