| ERROR | illegal structure reference operation |
| CAUSE | A structure component using invalid syntax was referenced. For example, a -> operator was used instead of a required `. operator. |
| ACTION | Correct the invalid reference. |
| ERROR | illegal structure reference operation |
| CAUSE | A structure component using invalid syntax was referenced. For example, a -> operator was used instead of a required `. operator. |
| ACTION | Correct the invalid reference. |