https://communities.bentley.com/products/building/performance/f/hevacomp-forum/210186/neysys-ventilation---run-time-error-9-subscript-out-of-rangeHi, I keep getting the error code &quot;Run-time error &#39;9&#39; Subscript out of range&quot; whenever I draw a vertical extract duct on one of my floors. I&#39;m guessing there is an error with this particular floor. However, when I try to delete the floor, it seemsen-USTelligent Community 12https://communities.bentley.com/thread/635627?ContentTypeID=1Wed, 24 Feb 2021 10:28:03 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:1db4fe27-4d73-4317-bad6-996e10d2ccdeShane Regan<p>Hi Sunny, was just about to respond so thanks for letting us know. If you have any other difficulties please get in touch.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/635626?ContentTypeID=1Wed, 24 Feb 2021 10:27:41 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:791413d9-ad0d-4fea-ae99-23db99bd4ae0Sunny Patel<p>Think I&#39;ve managed to delete my floor. There was another post about receiving an error to close when clicking delete floor. I was actually clicking on close, and shouldve pressed cancel to view the &#39;delete a floor&#39; dialogue. This also seems to have solved the runtime error.</p><div style="clear:both;"></div>