ORA-38763: flashback not started; enabled threads have changed

ORA-38763
ORA-38763: flashback not started; enabled threads have changed
Cause: A FLASHBACK DATABASE command did not start. The set of enabled
threads changed during the time to flash back.
Action: The flashback cannot be performed. Perform a restore and an incomplete
recovery instead.
More details : Viste http://www.high-oracle.com/ora-38763/
More details : Viste http://www.high-oracle.com/ora-38763/
-------------------------------------------------------

-------------------------------------------------------
Viste our Support Blog : http://updatefun.blogspot.fr/
Viste our Support Blog : http://oracleerrormsgs.blogspot.fr/
Viste our Support Blog : http://oracleerror1.blogspot.fr/
Viste our Support Blog : http://supports-oracle.blogspot.com/
Viste our Support Blog : http://oracleerrorcodelist.blogspot.fr/
Viste our Support Blog : http://all-dba-support.blogspot.fr/
Viste our Support Blog : http://my-support-oracle.blogspot.fr/
-------------------------------------------------------

Your source for help on all Oracle database error codes :
------------------------
ORA-28160: missing EXCEPT keyword
ORA-12449: Labels specified for user must be of type USER
ORA-24336: invalid result set descriptor
ORA-32163: Method called on Invalid Environment type
ORA-24184: transformation . already exists
ORA-12073: request cannot be processed
ORA-12206: TNS:received a TNS error during navigation
ORA-19528: redo logs being cleared may need access to files
ORA-28342: integrity check fails on column key
ORA-30081: invalid data type for datetime/interval arithmetic
ORA-31424: change table has active subscriptions
ORA-06264: NETNTT: data protocol error
ORA-32612: invalid use of FOR loop
ORA-22291: Open LOBs exist at transaction commit time
ORA-00381: cannot use both new and old parameters for buffer cache size
ORA-09763: osnmpx: send/receive error exchanging Mach ports.
ORA-01190: control file or data file is from before the last RESETLOGS
ORA-16409: Archive log switchover reference number mismatch
ORA-16098: inaccessible standby database forced shutdown to protect
ORA-16166: LGWR network server failed to send remote message
-------------------------------------------------------
Error Oracle : ora-32140 http://www.high-oracle.com/ora-32140/
Error Oracle : ora-29320 http://www.high-oracle.com/ora-29320/
Error Oracle : ora-29285 http://www.high-oracle.com/ora-29285/
Error Oracle : ora-25238 http://www.high-oracle.com/ora-25238/
Error Oracle : ora-09318 http://www.high-oracle.com/ora-09318/
Error Oracle : ora-09791 http://www.high-oracle.com/ora-09791/
Error Oracle : ora-28028 http://www.high-oracle.com/ora-28028/
Error Oracle : ora-31050 http://www.high-oracle.com/ora-31050/
Error Oracle : ora-33066 http://www.high-oracle.com/ora-33066/
Error Oracle : ora-32016 http://www.high-oracle.com/ora-32016/
Error Oracle : ora-19001 http://www.high-oracle.com/ora-19001/
Error Oracle : ora-01727 http://www.high-oracle.com/ora-01727/
Error Oracle : ora-01268 http://www.high-oracle.com/ora-01268/
Error Oracle : ora-29908 http://www.high-oracle.com/ora-29908/
Error Oracle : ora-01560 http://www.high-oracle.com/ora-01560/
Error Oracle : ora-02010 http://www.high-oracle.com/ora-02010/
Error Oracle : ora-04052 http://www.high-oracle.com/ora-04052/
Error Oracle : ora-31625 http://www.high-oracle.com/ora-31625/
Error Oracle : ora-01290 http://www.high-oracle.com/ora-01290/
Error Oracle : ora-14008 http://www.high-oracle.com/ora-14008/
-------------------------------------------------------
Viste our Support Blog : http://updatefun.blogspot.fr/
Viste our Support Blog : http://oracleerrormsgs.blogspot.fr/
Viste our Support Blog : http://oracleerror1.blogspot.fr/
Viste our Support Blog : http://oracleerrorcodelist.blogspot.fr/
Viste our Support Blog : http://all-dba-support.blogspot.fr/
Viste our Support Blog : http://my-support-oracle.blogspot.fr/
-------------------------------------------------------