Try at a lower resolution and with the 'outdoor daylight fast' physical render preset (one of the lowest settings that should render very quickly). This way you can rule out an issue with memory.
Could be that there are a lot of reflections or something else complex in that scene, compaired to the other scenes.
Erwin Edel, Project Lead, Leloup Architecten
www.leloup.nlArchiCAD 9-26NED FULL
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