Solution : https://service.sap.com/sap/support/notes/1646648 (SAP Service marketplace login required)
Key words :
'support packages' tab page, sap basis support package, delete individual trust relationships, deleting individual trust relationships, existing trust relationships, information dialog box, remote function call, attached correction instructions, display report rs_security_trust_relations, support package
Related Notes :
| 1498973 | Renewing trust relationships to a system |
| 1491645 | Unauthenticated system access via RFC or HTTP |