Answer / guest

Cause: The logical standby database guard is OFF.

Action: Issue the 'alter database guard all' to turn the
guard ON and verify that Data Guard health check
error/warning is cleared.

Please add more information about this Error

ORA-21500: internal error code, arguments: [string], [string], [string], [string], [string], [string], [string], [string]

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NCR-01008: NCRS: Failed to obtain transport parameters.

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ORA-13039: failed to update spatial index for element string.string.string

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RMAN-20272: no parent backup found for the incremental backup

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ORA-00379: no free buffers available in buffer pool string for block size stringK

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RMAN-10001: error parsing recovery catalog connect string "string"

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ORA-01624: log string needed for crash recovery of instance string (thread string)

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ORA-06135: NETTCP: connection rejected; server is stopping

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ORA-30002: SYS_CONNECT_BY_PATH function is not allowed here

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NNO-00263: error from configuration database

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ORA-13831: SQL profile name specified is invalid

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KUP-02003: unrecognized character: string

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