Unable to Checkout in B2B powertools site: Error - Cannot find checkout group 'b2bCheckoutGroup'

Am unable to do a checkout When trying to checkout in the powertools site: getting an error in the console

ERROR [hybrisHTTP15] [AbstractCheckoutStepController] Cannot find checkout group 'b2bCheckoutGroup'

and on the storefront, a 404 Not found error is shown for the URL : https://localhost:9002/yb2bacceleratorstorefront/powertools/en/USD/checkout/multi