| ERROR | : instance must of be of type string |
| CAUSE | The run-time type of the instance is not the declared type. e.g. If the return value of a user defined constructor is wrong. |
| ACTION | Return the correct type. |
| ERROR | : instance must of be of type string |
| CAUSE | The run-time type of the instance is not the declared type. e.g. If the return value of a user defined constructor is wrong. |
| ACTION | Return the correct type. |