https://userapps.support.sap.com/sap/support/knowledge/en/3284462
3284462 - The Replacement of the Removed B2BPunchOut related classes after upgrading to SAP...
As introduced in Upgrading B2B Accelerator from 2105 to 2205 - Removed Classes , some B2BPunchOut related classes were removed as part of SAP COMMERCE 2205...
the replacement