RDTIS.438065 occurs when:
Additional Group Members β Annual Turnover is completed, and
There are fewer than 19 specified group members.
To fix, do not enter an amount for Additional Group Members β Annual Turnover unless there are 19 or more specified group members.
At Part D - Aggregated Turnover, section 3, if label a has less than 19 group members, then label e must not be completed.

