ORA-38755: Flashback is already turned on for this tablespace.

ORA-38755
ORA-38755: Flashback is already turned on for this tablespace.
Cause: An attempt was made to turn on flashback database logging for a
tablespace that already has flashback turned on.
Action: No action required.
More details : Viste http://www.high-oracle.com/ora-38755/
More details : Viste http://www.high-oracle.com/ora-38755/
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Your source for help on all Oracle database error codes :
------------------------
ORA-10058: use table scan cost in tab$.spare1
ORA-16121: applying transaction with commit SCN
ORA-10056: dump analyze stats (kdg)
ORA-10012: Abort Transaction
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ORA-32500: Dirname '' cannot exceed '%d' characters
ORA-01244: unnamed datafile(s) added to control file by media recovery
ORA-30511: invalid DDL operation in system triggers
ORA-19254: XQ0034 - too many declarations for function
ORA-27355: unable to lock row cache entry
ORA-00040: active time limit exceeded - call aborted
ORA-01926: cannot GRANT to a role WITH GRANT OPTION
ORA-13613: The requested operation is not supported for this advisor
ORA-15050: disk "" contains error(s)
ORA-10259: get error message text from remote using explicit call
ORA-23395: object ""."" of type "" does not exist or is invalid
ORA-31662: metadata transform name can not be defaulted
ORA-29034: Correct cipher suite or client authentication is needed.
ORA-03288: both FREELIST GROUP and INSTANCE parameters may not be
ORA-28042: Server authentication failed
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Error Oracle : ora-30343 http://www.high-oracle.com/ora-30343/
Error Oracle : ora-22604 http://www.high-oracle.com/ora-22604/
Error Oracle : ora-29336 http://www.high-oracle.com/ora-29336/
Error Oracle : ora-25400 http://www.high-oracle.com/ora-25400/
Error Oracle : ora-13359 http://www.high-oracle.com/ora-13359/
Error Oracle : ora-25243 http://www.high-oracle.com/ora-25243/
Error Oracle : ora-31637 http://www.high-oracle.com/ora-31637/
Error Oracle : ora-31654 http://www.high-oracle.com/ora-31654/
Error Oracle : ora-01151 http://www.high-oracle.com/ora-01151/
Error Oracle : ora-09282 http://www.high-oracle.com/ora-09282/
Error Oracle : ora-01007 http://www.high-oracle.com/ora-01007/
Error Oracle : ora-08209 http://www.high-oracle.com/ora-08209/
Error Oracle : ora-01201 http://www.high-oracle.com/ora-01201/
Error Oracle : ora-02451 http://www.high-oracle.com/ora-02451/
Error Oracle : ora-02772 http://www.high-oracle.com/ora-02772/
Error Oracle : ora-09857 http://www.high-oracle.com/ora-09857/
Error Oracle : ora-21501 http://www.high-oracle.com/ora-21501/
Error Oracle : ora-23461 http://www.high-oracle.com/ora-23461/
Error Oracle : ora-30943 http://www.high-oracle.com/ora-30943/
Error Oracle : ora-38312 http://www.high-oracle.com/ora-38312/
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