How to fix the Oracle error ORA-34731: (NLSSORT01) ‘number’ is not a valid NLS_SORT specification.?

In this post, you’ll learn more about the Oracle ErrorORA-34731: (NLSSORT01) ‘number’ is not a valid NLS_SORT specification. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-34731: (NLSSORT01) ‘number’ is not a valid NLS_SORT specification.

Reason for the Error ORA-34731: (NLSSORT01) ‘number’ is not a valid NLS_SORT specification.

An unrecognized NLS_SORT value was specified in the SORT command or the SORT, SORTLINES or UNIQUELINES function.

How to fix the Error ORA-34731: (NLSSORT01) ‘number’ is not a valid NLS_SORT specification. ?

You can fix this error in Oracle by following the below steps

Specify a supported NLS_SORT value.

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