Purchase requisitions create via the fiori APP 'Create Purchase Requisition' do not have any change log available.
SAP S/4HANA Cloud All versions
Reproducing the Issue
Create a Purchase Requisition via SSP APP 'Create Purchase Requisition'.
The change log feature is not currently available in Purchase Requisitions which are created from Fiori apps. This functionality will be a roadmap item and will be delivered in a future release
CDHDR, CDPOS, ESTKZ, F1643, MMPUR_REQ_SSP_MAINTAIN_SRV , KBA , MM-FIO-PUR-REQ-SSP , Fiori UI for Self Service Procurement , MM-PUR-HUB-REQ , Self-Service Requisition for Central Procurement , Problem