Unable To Gather Statistics, Receive "ORA-20000: Resource Manager Plan Is Not Active or is not managing CPU usage" Error Following Upgrade to 12c
(Doc ID 2049013.1)
Last updated on NOVEMBER 09, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and laterInformation in this document applies to any platform.
Symptoms
- While attempting to gathering statistics on Oracle 12c, receive ORA-20000 error as follows:
- Statistics Gathering worked fine on the earlier version
Changes
Database was upgraded to 12c
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Enable Resource Manager: |
| Disable concurrent statistics gathering by setting the CONCURRENT preference to OFF: |