In the Synchro model I imported an IFC file and when it was finished I got this error messenge: Warning: cannot subtract geometry by alternative tool [IfcMember_MV_Mootvoeg_Alveoliet-Neopreen_-_GMA2:MV_Mootvoeg-tanden_-_GMA2:8096331_(#2452115)_[MappedRepresentation]]. Can some one explain the reason of this error messenge,how to prevent this and what the impact in my synchro file is?
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