Answer / guest

Cause: The REF instance on which the operation was attempted
was null.

Action: Use a valid, non-null REF instance to perform this
operation.

Please add more information about this Error

ORA-02040: remote database string does not support two-phase commit

1 Answers  

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TNS-00094: * to status - argument is considered the remote process_name

1 Answers  

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TNS-12673: Dedicated server: context not saved

1 Answers  

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ORA-39307: the operation is illegal without an initial clone

1 Answers  

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RMAN-06052: no parent backup or copy of datafile number found

1 Answers  

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ORA-24003: Queue table index string inconsistent with queue table string

1 Answers  

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ORA-16217: prepare to switchover has not completed

1 Answers  

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ORA-29658: EXTERNAL NAME clause is not compatible with its supertype

1 Answers  

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RMAN-08006: database registered in recovery catalog

1 Answers  

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ORA-16222: automatic Logical Standby retry of last action

1 Answers  

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AMD-00145: error attaching Workspace "string" in mode "string"

1 Answers  

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PLS-00112: end-of-line in quoted identifier

1 Answers  

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