https://community.graphisoft.com/t5/Modeling/Roof/m-p/212568#M115234 No problem with roofs here editing a roof made with versions 15 (3898) in version 16 (3270). Mon, 26 Nov 2012 14:34:35 GMT Steve Jepson 2012-11-26T14:34:35Z https://community.graphisoft.com/t5/Modeling/Roof/m-p/212567#M115233 <DIV class="actalk-migrated-content"><T>Just migrated a project for 15 to 16.<BR /> When ever I tried editing the roof (created in 15) archicad crashes.<BR /> Anyone else having this problem?</T></DIV> Tue, 23 May 2023 12:38:49 GMT https://community.graphisoft.com/t5/Modeling/Roof/m-p/212567#M115233 sedley 2023-05-23T12:38:49Z https://community.graphisoft.com/t5/Modeling/Roof/m-p/212568#M115234 No problem with roofs here editing a roof made with versions 15 (3898) in version 16 (3270). Mon, 26 Nov 2012 14:34:35 GMT https://community.graphisoft.com/t5/Modeling/Roof/m-p/212568#M115234 Steve Jepson 2012-11-26T14:34:35Z https://community.graphisoft.com/t5/Modeling/Roof/m-p/212569#M115235 Maybe that single Roof element got corrupted somehow.<BR /> You may try to select it, Cut in from the Project (CTRL+X), then paste it. Sometimes that fixes it or gives you the message that there is something wrong with it.<BR /> If it does not get fixed like this, you may have to delete it and remodel it. Mon, 26 Nov 2012 16:39:05 GMT https://community.graphisoft.com/t5/Modeling/Roof/m-p/212569#M115235 Laszlo Nagy 2012-11-26T16:39:05Z