| ERROR | cannot modify data-type of virtual column |
| CAUSE | Attempted to change the data-type of virtual column without modifying the underlying expression |
| ACTION | change the underlying expression to be compatible with the data-type change |
| ERROR | cannot modify data-type of virtual column |
| CAUSE | Attempted to change the data-type of virtual column without modifying the underlying expression |
| ACTION | change the underlying expression to be compatible with the data-type change |