| ERROR | expected exactly one column for dimension string, got string |
| CAUSE | Expected a single source column for the dimension. Either none or more than one was specified. |
| ACTION | Specify exactly one column, or change the dimension to another type |
| ERROR | expected exactly one column for dimension string, got string |
| CAUSE | Expected a single source column for the dimension. Either none or more than one was specified. |
| ACTION | Specify exactly one column, or change the dimension to another type |