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Cause: A data source (a file or a database) failed to open.

Action: Enable Oracle Net tracing to determine the exact error.

Please add more information about this Error

ORA-30087: Adding two datetime values is not allowed

1 Answers   Oracle,

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DRG-50948: ABOUT clause required in the absence of a text index

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IMG-00812: merged area queue initialization failed

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ORA-22309: attribute with name "string" already exists

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PLS-00649: method "string" can be overridden only once per object type

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PLS-00960: RPCs cannot use variables with schema level user-defined types in this release

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ORA-32841: invalid value for property string

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NNL-00226: Current request-processing delay is string

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PLS-00338: unable to resolve "string" as a column or row expression

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ORA-16016: archived log for thread string sequence# string unavailable

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LSX-00211: value "~1S" whose fractional digits exceeds ~2d

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PCC-02331: undefined SQL identifier

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