You don't have any rigid diaphragms defined. I added a few and added the soft story check after the diaphragm definition and it is working fine. A modified file is attached for your reference.
(Please visit the site to view this file)
You don't have any rigid diaphragms defined. I added a few and added the soft story check after the diaphragm definition and it is working fine. A modified file is attached for your reference.
(Please visit the site to view this file)