2145994 - System error from EUSSP on "Manage Existing Devices"

• Clicking on "Manage Existing Devices" in the End-User Self-Service Portal (EUSSP) returns "Error accessing Self Service Portal.  API services are not available", or "System Error".
• Logging into the EUSSP and enrolling devices works fine.
• An API debug log shows the error: 
   (EXCPT) StoredQueryService.GetFirstStoredQueryFiltered: run stored query ( 1514 ). Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression. Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.
• The query SELECT * FROM A_V_SSP_CLIENTS against the database returns the same error.

SAP Afaria 7.0

SSP, EUSSP, Self-Service Portal, fail. system error , KBA , MOB-AFA , Afaria , Problem