3672849 - Getting error when clicking on Change Process after enabling BRIM integration in CPQ

• BRIM integration has been enabled in CPQ by enabling the toggle 'Enable Billing Revenue Innovation Management Integration' under the Billing Revenue Innovation Management Provider Settings in the Providers section.
• Getting error when clicking on Change Process option under Quotes in Setup.
• Error: "The provided BRIM Integration parameters are incorrect. Please check the Provider -> SAP -> Billing Revenue Innovation Management page, or contact the SAP CPQ Support team."

SAP Sales Cloud CPQ

1. In CPQ, go to Setup
2. Go to Providers
3. Go to SAP Integrations
4. Go to Billing Revenue Innovation Management tile
5. Enable the toggle switch 
6. Choose the Authentication mode to 'Client certificate'
7. Under 'Assets and Change Processes' tab, set the necessary URLs
8. Now go to Quotes under Setup
9. Click on 'Change Processes'
10. Observe the error.

There is a bug in the application with choosing the 'Client certificate' authentication mode, and the issue is set to be fixed tentatively in the 2602 release.

Until the bug fix happens, please use the below workaround.

1. Under the Billing Revenue Innovation Management Provider Settings, choose the Authentication mode as Basic.
2. Enter some dummy username and password, and save it. 
3. Switch back to 'Client Certificate' authentication mode and save the changes again. 

Enable the Integration with SAP Billing and Revenue Innovation Management | SAP Help Portal

3487591 - Known Issues in SAP CPQ

change process, subscription order management, SOM, SAP CPQ, billing revenue innovation management provider, client certificate, basic authentication, backend parameters, frontend parameters, hidden parameters, brim, The provided BRIM Integration parameters are incorrect. Please check the Provider -> SAP -> Billing Revenue Innovation Management page, or contact the SAP CPQ Support team, authentication mode , KBA , CEC-SAL-CPQ , Sales Cloud CPQ , Problem