rendered paste body--modules/duplicator.lua--find the following...function Copy( Ent ) local Ents = {} local Constraints = {} GetAllConstrainedEntitiesAndConstraints( Ent, Ents, Constraints )--Replace with...function Copy( Ents, Constraints )--stools/duplicator.lua--find the following... local Entities, Constraints = duplicator.Copy( trace.Entity )--Replace with... local EntsToCopy, ConstraintsToCopy = constraint.GetAllConstrainedEntitiesAndConstraints( trace.Entity ) local Entities, Constraints = duplicator.Copy( EntsToCopy, ConstraintsToCopy )--Done!!