Oracle AWR报告的所取的两个SNAP之间不能重启DB，否则ORA-20019

Oracle AWR报告的所取的两个SNAP之间不能重启DB，否则ORA-20019

select output from table(dbms_workload_repository.awr_report_html(:dbid, :inst_num,:bid, :eid,:rpt_options ))
* ERROR at line 1:
 ORA-20019: Database/Instance 1276219506/1 was re-started during specified snapshot interval 22-70
 ORA-06512: at "SYS.DBMS_SWRF_REPORT_INTERNAL", line 9875
 ORA-06512: at "SYS.DBMS_SWRF_REPORT_INTERNAL", line 1226
 ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 915
 ORA-06512: at line 1

Oracle AWR报告的所取的两个SNAP之间不能重启DB.