SAP Message 56685 - Error writing table T706B1

Diagnosis
Error writing table T706B1

System Response
When receipts are inserted in a trip, the receipt editor is visible foreach trip expense type, but not ready for entries.

What_to_do
In the SCEDT field in table T706B1, enter the relevant value manually.
. ready for entry, optional
+ ready for entry, required
- not ready for entry, invisible
not ready for entry, visible