1988580 - Dump OBJECTS_OBJREF_NOT_ASSIGNED occurs when accessing Database Analysis

The following error occurs when opening Database Analysis:

500 SAP Internal Server Error
ERROR: Access via 'NULL' object reference not possible. (termination:RABAX_STATE)

In the meanwhile, the dump below can be found in t-code ST22:

Category                        ABAP Programming Error
Runtime Errors                OBJECTS_OBJREF_NOT_ASSIGNED
ABAP Program                 CL_DIAGLS_LMDB_FACTORY========CP
Application component     SV-SMG-LDB
 
Short text 
    Access via 'NULL' object reference not possible.
 
Error analysis
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component (variable: " ").
    An object reference must point to an object (an instance of a class)
    before it can be used to access components.
    Either the reference was never set or it was set to 'NULL' using the
    CLEAR statement.
 
    "OBJECTS_OBJREF_NOT_ASSIGNED" " "
    "CL_DIAGLS_LMDB_FACTORY========CP" or "CL_DIAGLS_LMDB_FACTORY========CM01C"
    "GET_SOFT_COMP_VERSION_FROM_DB"

SAP Solution Manager 7.1

Solman, program error, LAPI cache out-of-date, SIDs are not valid, OBJECTS_OBJREF_NOT_ASSIGNED, CL_DIAGLS_LMDB_FACTORY========CP, GET_SOFT_COMP_VERSION_FROM_DB, ERROR: Access via 'NULL' object reference not possible , KBA , SV-SMG-LDB , Landscape Management Database (LMDB) , SV-SMG-DIA , Diagnostics , Problem