3555378 - Unable to create purchase contract due to an authorization error

In the app "Manage Central Purchase Contract", the contract could not be created due to the error: "cannot create central purchase contract".

SAP S/4HANA Cloud Public Edition

1. Access the app: "Manage Central Purchase Contracts".
2. Create the contract by clicking the plus button.

Missing authorization because of a missing configuration in SSCUI 101404. 

SSCUI 101404 -->Central Procurement - Settings in Hub and Scenarios-->Activate SAP S/4HANA Procurement Hub and Scenarios-->Scenario Activation.

Central Purchase Contract, SSCUI ID ,Activation, Hub scenario ,authorization, error ,S/4HANA Public Cloud , KBA , MM-PUR-HUB-PO-2CL , Central Purchase Order (Public Cloud) , Problem