| ERROR | The value of the depth argument in the operator cannot be negative |
| CAUSE | The value of the depth argument passed to the primary operator is not a positive integer |
| ACTION | Pass a positive value of the depth argument |
| ERROR | The value of the depth argument in the operator cannot be negative |
| CAUSE | The value of the depth argument passed to the primary operator is not a positive integer |
| ACTION | Pass a positive value of the depth argument |