3705162 - "Process Purchase Requisitions" Navigation Not supported

App Process Purchase Requisition 

Select one Purchase Requisition --> Create Purchase order

You see the error : "Navigation to this application is not supported"

SAP S/4HANA Cloud Public Edition

Please note that behavior for advanced PO creation is updated 2602 onwards. PO details will open in editable mode before it is ordered in the system.As part of this change a new transaction was added to enable this feature,  please follow steps below - 

1. Go to app 'Maintain Business Users'
2. Search for the user using Process Purchase Requisitions application
3. Go to Assigned business roles

Please check the role which contains SAP_MM_BC_PURDOC_PROCESS_PC, eg in this system ZTEST_PURCHASER

Go to this role and go to  assigned IAM apps

1. Make sure there is an entry for ME21N_PR_TRAN maintained with Active status checked(if not add this app manually).

Save the changes and refresh the session(logout and login) Navigation is expected to work.

Navigation to Create Purchase Order - Advanced for Purchase Requisitions from the Process Purchase Requisitions | SAP Help Portal

"Navigation to this application is not supported", process purchase requisition , KBA , MM-PUR-REQ-SOC-2CL , Fiori UI for Sourcing Purchase Requisitions (Public Cloud) , Problem