This XBRL error is relating to the Statement of Distribution (Item 57) within the Trust tax form.
Ensure the beneficiaries have values assigned to them. This can't be zero.
If there is nothing to distribute and you want to keep the beneficiary details in the form, select Yes to the question Use details for rollover purposes only?.
This allows you to include the beneficiary with no distributions and won't transmit these details to the ATO.
