When Validating an enhanced revenue batch, a user may receive Error: 'Revenue category is required. This occurs when the revenue category is required, a default for revenue category is selected upon creation of the batch, and finder numbers are entered to load revenue information. Upon validation, the revenue category is removed for those rows entered via a Finder Number.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.
Workaround: Unmark the 'Required' field for revenue category or re-enter the revenue category after validation.