2349993 - ST22 dump DBIF_DSQL2_OBJ_UNKNOWN

In ST22, there are many ST22 dumps with following description: 

Category               ABAP programming error
Runtime Errors         DBIF_DSQL2_OBJ_UNKNOWN
Except.                CX_SY_NATIVE_SQL_ERROR
ABAP Program           SAPLSTD9
Application Component  BC-CCM-MON-ORA
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|Short Text                                                                                        |
|    Object does not exist on the database. 
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|Error analysis                                                                                    |
|    An exception has occurred which is explained in more detail below. The                        |
|    exception is assigned to class 'CX_SY_NATIVE_SQL_ERROR' and was not caught in                 |
|     procedure                                                                                    |
|    "CREATE_SNAPSHOT" "(FORM)", nor was it propagated by a RAISING clause.                        |
|    Since the caller of the procedure could not have anticipated this                             |
|    exception, the current program was terminated.                                                |
|    The reason for the exception is:                                                              |
|    Triggering SQL statement: "truncate table segstat2"                                           |
|    Error code in database: "942"
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|Information on where terminated                                                                   |
|    The termination occurred in ABAP program or include "SAPLSTD9", in                            |
|     "CREATE_SNAPSHOT". The                                                                       |
|    main program was "RSORASSC".
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Oracle Database

DBIF_DSQL2_OBJ_UNKNOWN
CX_SY_NATIVE_SQL_ERROR
SAPLSTD9
Object does not exist on the database
CREATE_SNAPSHOT
truncate table segstat2
942
RSORASSC
SAP_COLLECT_FOR_PERFMONITOR , KBA , BC-CCM-MON-ORA , Database Monitors for Oracle , Problem