The analyze config with SCN option results in “Error: Unable to activate config at <SCN number>” (4300184)

The following errors are observed when analyzing a config starting with a specified SCN #:

sp_ctrl (alvsupu15:5438)> analyze config config1 SCN=2327896006 5 minutes

   Error: Unable to activate config at 2327896006

The “show log reverse” gives the following errors:

Info     2016-12-06 16:59:03.219564 12410 1 Activation exited with code=1, pid = 22875  (activating sid ORA11GR2)

Error    2016-12-06 16:59:03.184161 22875 1 Compile of "config1" for sid o.ORA11GR2 failed: Error: Unable to activate config at 2327896006

Error    2016-12-06 16:59:03.179851 22875 1 Activation: Failed to find redo sequence# associated with recovery SCN 2327896006 for instance: 'ORA11GR2' thread: '1'. ORA-01405: fetched column value is NULL   (activating sid ORA11GR2) [module ocf]

Warning  2016-12-06 16:59:02.890361 22875 1 Activation: 13007 - No unique keys or primary key for object id 204368  (activating sid ORA11GR2) [module osp]