https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/228202/i-faced-this-error-please-could-you-help-me-to-solve-this-problemthis is the code STAAD SPACE START JOB INFORMATION ENGINEER DATE 09-Apr-22 END JOB INFORMATION INPUT WIDTH 79 UNIT METER KN JOINT COORDINATES 1 0 0 0; 2 0 12.085 0; 3 -1.05865e-015 0 5.763; 5 -2.11729e-015 0 11.526; 7 -3.17594e-015 0 17.289; 8 -3en-USTelligent Community 12https://communities.bentley.com/thread/705924?ContentTypeID=1Mon, 11 Apr 2022 07:17:52 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0dd2ff9b-ac2a-4a76-b199-ad0836087c17Abhisek M<p>Hello,</p> <p>The perform analysis command should be placed before Define envelop in your model as shown below.</p> <p><img src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/5932/pastedimage1649661464343v1.png" alt=" " /></p> <p>I have modified the file in same line and the attached file is running without any error. please check.</p> <p><a href="https://communities.bentley.com/cfs-file/__key/communityserver-discussions-components-files/5932/8267.Structure1.STD">communities.bentley.com/.../8267.Structure1.STD</a></p><div style="clear:both;"></div>