The id |4 is in use. An |0 named "|1" is using the same id as the new object named "|3" of type |2. Every object must contain ...

The id |4 is in use.  An |0 named "|1" is using the same id as the new object named "|3" of type |2.  Every object must contain a unique id.  Either update the new object's id or delete the existing object and try again.