3482541 - Error "Your Domain is Not Trusted" for Mashup in SAP Sales and Service Cloud V2 System

You have created a mashup, but it is not rendering. It fails with error: "Your domain is not trusted. Please contact your system administrator".

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

• SAP Service Cloud v2
• SAP Sales Cloud v2

It's necessary to whitelist the SAP Sales and Service Cloud V2 tenant URL in the authentication application side, so that the authentication URL can be loaded inside Iframe in the SAP Sales and Service Cloud V2 domain. 

For IAS Authentication, please follow the solution of this documentation: https://me.sap.com/notes/2739473 

IAS, Mashup, Authentication, System administrator, Domain, Trusted, Iframe, CNS , KBA , CEC-CRM-MAS , Mashups for SAP Sales/Service Cloud , BC-IAM-IDS , Identity Authentication Service , Problem