| ERROR | component string must be declared |
| CAUSE | In a reference to a component (for example, in the name A.B, B is a component of A), the component has not been declared. The component might be misspelled, its declaration might be faulty, or the declaration might be placed incorrectly in the block structure. |
| ACTION | Check the spelling and declaration of the component. Also confirm that the declaration is placed correctly in the block structure. |