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The export mappings are linked from a network location, and it is enforced in the Revit.ini, so this setting is the same for all computers.

Yes, we all use en-us. The computers supposed to be the same, more or less. Branded Lenovos, with managed installations. I will have more info about the frequency and the...

We did some investigation We've created a test model in versions 2022, 2023, 2024, which had 3 floor instances, one had no per type override, one had IfcSlab.BASESLAB override and...

I've also found a very similar issue on the forums: https://forums.autodesk.com/t5/revit-architecture-forum/rvt23-ifc-export-problem-slab-site/td-p/12136390 What got me thinking is I assume the user posted that issue is also hungarian from his name, and...

First I will try to change the system language settings on one of the computers to see if it makes any difference. Honestly, I don't really have positive experience with...

After testing my hypothesis, I can confirm with 100% certainty that the windows language setting is the cause of this particular problem. After changing the system language, the export succeeds...

Sorry, I've just updated the link. The issue is one ifc is empty (has no building elements), while the other has all the floors from the Revit model. Our Revit...

As I see it is obeyed for the Entity, so on instance level ``` #131=IFCBUILDINGELEMENTPROXY('2pmAGjowf4IgrK_AvlCFiY',#20,'IN-EX_GM_NA_Origo:Origo:33879',$,'IN-EX_GM_NA_Origo:Origo',#130,#128,'33879',$); ... #134=IFCPROPERTYSINGLEVALUE('Category',$,IFCLABEL('Generic Models'),$); #135=IFCPROPERTYSET('1XHMV_$K9e9zF_sFpQMZGW',#20,'Pset_ProductRequirements',$,(#134)); ... #140=IFCRELDEFINESBYPROPERTIES('1gae0SAzTE$uW5W4tjq0QO',#20,$,$,(#131),#135); ``` On a more general level I would suggest...

But the same will happen if you have "Export only elements visible in view" ticked (and you need this option if you want rooms in your ifc) The view's detail...

Are there any updates on this? It would be really useful.