3193347 - Error "SAML2 service not accessible" occurred while trying to access SAP Build Work Zone

You have integrated Cloud Solutions(eg: SAP IBP, SAP S/4HANA, etc.) into your SAP Launchpad Cloud Portal.
Following errors occurred while accessing the new created SAP Launchpad Cloud Portal.

SAML2 service not accessible

What has happened?
Calling of URL https://XXX was terminated during SAML2 processing

Note
 - No RelayState mapping found for RelayState value XXX

HTTP 404 Not Found

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

• SAP Business Technology Platfrom
• SAPCloud Foundry
• SAP Build Work Zone, standard edition

SAML2 service not accessible, terminated during SAML2 processing, No RelayState mapping found for RelayState value, 404 Not Found, SAML error, AP Launchpad Service, Cloud Portal, Destination, Site Directory , KBA , EP-WZ-SM , Site Directory, Site Settings, Site Service, IAS Integration , Known Error