Answer / guest

Cause: The resource guard could not prepare to switch to
primary.

Action: Check the Data Guard broker log for further details.

Please add more information about this Error

TNS-01191: Failed to initialize the local OS authentication subsystem

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ORA-19607: %s is an active controlfile

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ORA-24397: error occured while trying to free connections

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NZE-28799: failure to allocate shared memory

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ORA-00250: archiver not started

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NNL-00995: Unmatched responses received: number

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PLS-00408: duplicate column 'string' not permitted in INSERT or UPDATE

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TNS-12583: TNS:no reader

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ORA-02258: duplicate or conflicting NULL and/or NOT NULL specifications

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