How to fix the Oracle error ORA-23660: Unable to load NLS data object when converting column ‘string’ in ‘string.string’?

In this post, you’ll learn more about the Oracle ErrorORA-23660: Unable to load NLS data object when converting column ‘string’ in ‘string.string’ with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23660: Unable to load NLS data object when converting column ‘string’ in ‘string.string’

Reason for the Error ORA-23660: Unable to load NLS data object when converting column ‘string’ in ‘string.string’

It may be caused by invalid NLS environment setting.

How to fix the Error ORA-23660: Unable to load NLS data object when converting column ‘string’ in ‘string.string’ ?

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

Check your NLS environment setting.