https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/171910/ram-frame-crashes-during-analysis-wind-load-crash---seismic-worksI have a pesky model that I&#39;ve been working through. Originally having issues with a sloped semi-rigid diaphragm at the high roof, I eventually changed it to be flat in order to get a first pass on the model. Dead, Live, Roof, Seismic, COR, Eigen Solutionen-USTelligent Community 12https://communities.bentley.com/thread/495224?ContentTypeID=1Tue, 04 Dec 2018 18:28:10 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:22f4557e-5372-44ac-afa2-36c22cb0db68Jordan Rutherford<p>As always - thank you Seth! I did have two decks modeled and 15.11 now allows it to run.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/495198?ContentTypeID=1Tue, 04 Dec 2018 16:06:34 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:50faca55-7837-4833-aa08-d846e6a3a8a9Seth Guthrie<p>If you are running a diaphragm with multiple decks in version 15.07, you might be hitting this.&nbsp;</p> <div class="main-container"> <div class="main"> <div class="content-section"> <div class="hub-view explorer work-items-view work-item-editor-view" id="vss_84"> <div class="hub-content"> <div class="splitter horizontal hub-splitter stateful toggle-button-enabled toggle-button-hotkey-enabled" id="vss_1"> <div class="rightPane hotkey-section hotkey-section-1"> <div class="hub-title"> <div class="workitem-info-bar" id="vss_4753"> <div class="info-text-wrapper">Defect 814947:&nbsp;<span class="info-text">Crash - wind load - semi rigid diaphragm - 4 deck polygons. It was resolved in 15.08.&nbsp;</span></div> </div> </div> </div> </div> </div> </div> </div> </div> </div><div style="clear:both;"></div>