ORA-13711: Some snapshots in the range [str

admin

ORA-13711: Somesnapshots in the range [string, string] are missing key statistics.
Cause: Some AWR tables encountered errors while creating oneor more
snapshots in the given range. The data present in one or more of these missing
tables is necessary to perform an ADDM analysis.
ORA-12700to ORA-19400 13-65
Action: Lookin DBA_HIST_SNAP_ERROR to find what tables are missing in the
given snapshot range. Use the ERROR_NUMBER column in that view together
with the alert log to identify the reason for failure and take necessary actionto
prevent such failures in the future. Try running ADDM on a different snapshot
range that does not include any incomplete snapshots.