AR System Message Catalog
ARWARN  The temporary column control.unicode63handled, created for upgrading the 6.3 Unicode database to a 7.0 database, could not be deleted. Please delete this column manually.
- AR System server
- Server messages and notifications
When upgrading a previous installation to AR System 7.0 or later, the installer creates temporary tables to allow it to move and transform data types. After this data move is completed, the installer attempts to delete these columns. If the delete fails, this error is generated.