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Forums >> Revit Building >> Technical Support >> can't make change to group with more than one instance

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Thu, May 18, 2017 at 7:37:54 PM | can't make change to group with more than one instance




Joined: Wed, Nov 18, 2015
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Hi mikeinsverige, unfortunately in this case I was unable to choose "finish" from inside the group editor without getting this message.  The only way I could exit the group editor was to select "cancel", which meant I lost all of the work I'd done in the editor.  There wasn't much left to change.  I'm more interested now in what caused so I can avoid this in the future.  Any ideas? I didn't find much when I searched about causes, mostly just workarounds.

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Sun, May 21, 2017 at 6:30:17 AM | can't make change to group with more than one instance




Joined: Thu, Feb 18, 2016
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okay i work a lot with groups am not sure about the reasons as 100% but i have my doubt so i will share them , but first of all when you are working with groups try to always press finish every couple minutes and then continue your work as when you get that error there is nothing to do but cancel , and another thing when this happens sometimes cut and paste at the same place for all instances make it work or else you will have to delete all and leave one instance to work with ,

Usually this happens when my group have elements interracting with outside the group , hosted families with hosts outside the groups , walls that are joined so when you modify a wall inside the group its not the same joining condition as other instances , one of the solution that worked for me also is cut to clipboard all elements that i doubt they are the reason of the error and then paste it in the group after finishing , and you should be able to detect wish elements are the problem either with the show button on the error window or by the cut to clipboard until it works .

I hope this helps , and finally if thats a residential building , i stopped working with groups in a traditional way , am still using groups as they give me the chance to modify easily , but am keeping each group type within a separate linked file ( each appartment type ) and actually i repeat the group within the separate files , so that i avoid conflict between theese groups and any other elements , therse groups are the interior of the Units only. 

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