3466212 - Disable the 'Change SOS' & 'Remove SOS' button in Process Purchase Requisition Centrally app.

Once the purchase requisition is approved, a follow-on document can be created. In the Process Purchase Requisition Centrally app, the options 'Change SOS' & 'Remove SOS' is enabled even after a follow-on document has been created for that PR.

SAP S/4HANA Cloud

1. Create an Ariba PR with source of supply.
2. CP PR and backend PR is created.
3. PR is converted to PO.
4. When PO is in approval status go to Process Purchase Requisition Centrally app in CP.

Standard system design

Purchase requisitions are expected to be editable even after the Purchase Order is created. The options Change SOS and Remove SOS cannot be disabled. These options are crucial and are used to assign sources of supply to the purchase requisition items from the list using the Assign SoS option. Once you have assigned sources of supply to the items, the purchase requisition items are automatically updated in the hub system and the corresponding connected systems. 

When the Source of Supply is assigned, the workflow for the PR might be triggered. If you do not want workflow to be triggered for centrally managed PR in your hub, do not maintain Active Central Approval in the SSCUI 105624 Maintain Central Settings for Purchase Requisitions.

App extensibility: Process Purchase Requisitions Centrally 

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