I manged to get it to work.

My revit model had other revit files linked into it that hadn't been bound, once bound and un grouped they exported fine.

Thanks for your help though.

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Good Morning,

Please could you help. Does anybody know how to stop this from happening when I import a model from Revit to sketch up. I am importing as dxf. I have also tried dae file type but that doesn't work, it comes up saying import failed.

Any help would be great.