3807290 - Error 'Fieldname ... is not allowed for this Tab' in Manage Allocations — SAP S/4HANA Cloud Public Edition

In the App - Manage Allocations for a segment/cycle  of Top-Down Distribution, the following error appears - 

'Fieldname ... is not allowed for this Tab' 

MANAGE_ALLOC_V2/11

SAP S/4HANA Cloud Public Edition

1. Open Manage Allocations and create a new cycle with Context = Margin Analysis, Type = Top-Down Distribution.
2. Add a segment and configure as needed.
3. Run Check Segment or Check Cycle and observe errors stating "Fieldname '...' is not allowed for this Tab."

Development identified an issue in the validations for TDD. 

Error is currently being analyzed and a fix is being created by the development team.  

Code correction is scheduled to be delivered with the Cloud Fix Delivery release 2608.3.

Manage Allocations

Top-Down Distribution, Manage Allocations, Margin Analysis, TDPRODUCT, metadata validation, MATNR_COPA, RACCT, PS_POSID, Fieldname is not allowed for this Tab, Check Cycle, Check Segment, no allocation results, CFD 2608.3 , KBA , FIN-UA-2CL , Universal Allocations (Public Cloud) , Known Error