| ERROR | duration does not exist or is invalid |
| CAUSE | The duration number that is supplied by the user is not valid. |
| ACTION | User needs to establish the duration or use a correct predefined duration. |
| ERROR | duration does not exist or is invalid |
| CAUSE | The duration number that is supplied by the user is not valid. |
| ACTION | User needs to establish the duration or use a correct predefined duration. |