Answer / guest

Cause: The given host variable was not declared to be of the
required character type. In this case, one of several
possible character types would have been accepted. However,
the host variable type did not match any of them.

Action: Redeclare the problematic host variable, using one
of the permitted character types.

Please add more information about this Error

TNS-01021: ------------------------

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TNS-12600: TNS: string open failed

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LSX-00114: facet "~S" not in schema schema

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RMAN-06083: error when loading stored script string

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ORA-00298: Missing or invalid attribute value

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