https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/215507/error--case-being-factored-does-not-exist-case-1I&#39;m getting an error regarding the seismic can you help me? thank you. 1. STAAD SPACE INPUT FILE: G:\STAAD\3-Storey Residential Building.STD 2. START JOB INFORMATION 3. ENGINEER DATE 18-JUN-21 4. END JOB INFORMATION 5. INPUT WIDTH 79 6. UNIT METERen-USTelligent Community 12https://communities.bentley.com/thread/656337?ContentTypeID=1Mon, 21 Jun 2021 03:55:40 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:721ddc8b-720f-4c0e-b883-45b08851b0d5ernson comerciante<p>Thank you, Sir this helps me a lot!</p><div style="clear:both;"></div>https://communities.bentley.com/thread/656108?ContentTypeID=1Fri, 18 Jun 2021 11:06:21 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:84333dc5-249a-4c3a-b6de-39e002d39f84Abhisek M<p>Hello,</p> <p>I have changed 2 things in your model.</p> <p>1. Shifted the seismic definition block after reference load cases.</p> <p>2. Added perform analysis command.</p> <p>Now, the file is working fine. Find attached the modified file.</p> <p>Thanks!!</p> <p></p> <p><a href="https://communities.bentley.com/cfs-file/__key/communityserver-discussions-components-files/5932/0160.3_2D00_Storey-Residential-Building.STD">communities.bentley.com/.../0160.3_2D00_Storey-Residential-Building.STD</a></p><div style="clear:both;"></div>