| ERROR | this preference is referenced by string and cannot be dropped |
| CAUSE | the specified preference is used as part of another preference and cannot be dropped until the referring preference is modified |
| ACTION | modify the referring preference |
| ERROR | this preference is referenced by string and cannot be dropped |
| CAUSE | the specified preference is used as part of another preference and cannot be dropped until the referring preference is modified |
| ACTION | modify the referring preference |