Saving and Duplicating

[Kussy1000]

Hi,

I was building a car and I wanted to save game, but I can't save because of this error.
ServerLog: Sending save to player Player [1][Kussy1000]

[ERROR] stack overflow
1. GetTable - [C]:-1
2. __index - lua/includes/extensions/entity.lua:23
3. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:867
4. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
5. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
6. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
7. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
8. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
9. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
10. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
11. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
12. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
13. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
14. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
15. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
16. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896

I was trying to duplicate, but get error like this:

[ERROR] lua/includes/extensions/entity.lua:17: stack overflow
1. __index - lua/includes/extensions/entity.lua:17
2. __index - lua/includes/extensions/entity.lua:23
3. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:867
4. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
5. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
6. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
7. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
8. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
9. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
10. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
11. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
12. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
13. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
14. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
15. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896
16. GetAllConstrainedEntitiesAndConstraints - lua/includes/modules/duplicator.lua:896

Even when i delete some object, the errors still appears.
pls help
(Sorry for my bad English)