Symptom
When checking the Data Source Tickets with Related Documents, you see no Opportunities linked to the Ticket.
Environment
SAP Cloud for Customer
Cause
By default this Data Source is not capable of showing Opportunity Data.
As an alternative, you can check this info via the Data Source Opportunity BTD Reference [CODOPPBTDB]. Once opening you can verify the fields Reference Type and BTB Reference ID which will point you the Ticket linked to the Opportunity.
Resolution
This is the standard behavior of the system
If the feature/functionality is required urgently, please refer to the following KBA
https://me.sap.com/notes/3475641
Keywords
Reports; Analytics; Data; Missing; Not Available; , KBA , LOD-CRM-ANA-SRV , Analytics Service Cloud , How To