SQL*Loader Fails With Error ORA-12705 Invalid Or Unknown NLS Parameter Value Specified (Doc ID 1275331.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 11.1.0.7 and later   [Release: 11.1 and later ]
Information in this document applies to any platform.

Symptoms

The following errors started after upgrading to Oracle 11.1.0.7:

SQL*Loader: Release 11.1.0.7.0 - Production on Thu Jul 15 14:26:46 2010

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SQL*Loader-128: unable to begin a session
ORA-12705: invalid or unknown NLS parameter value specified

Changes

Upgraded the database to 11.1.0.7.

Cause

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