3510030 - Exception 'CX_LMDB_MAI_API_NOTHING_FOUND' reported in the SAP Focused Run system

When performing a template assignment for a managed system in Focused Run, a runtime error is reported in transaction ST22: 

Category               ABAP programming error
Runtime Errors         UNCAUGHT_EXCEPTION
Except.                CX_LMDB_MAI_API_NOTHING_FOUND
ABAP Program           CL_LMDB_MAI_DPC_API===========CP
Application Component  SV-FRN-INF-LDB

SAP Focused Run

CX_LMDB_MAI_API_NOTHING_FOUND, template, assigning template, sysmon, system monitoring, assign, lmdb, not known to be a virtual hostname, uncaught exception, No real host found for supplied GUID, missing data suppliers, outdated data suppliers , KBA , SV-FRN-INF-MAI , FRUN: Monitoring and Application Infrastructure (MAI) , SV-FRN-INF-LDB , Landscape Management Database (LMDB) , Problem