How to fix the Oracle error PLS-00561: character set mismatch on value for parameter ‘string’?

In this post, you’ll learn more about the Oracle ErrorPLS-00561: character set mismatch on value for parameter ‘string’ with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00561: character set mismatch on value for parameter ‘string’

Reason for the Error PLS-00561: character set mismatch on value for parameter ‘string’

An expression was used that contains an incorrect character set. The actual argument has a character set conflict. If a default argument value is being used, it might be in conflict with some actual argument that must have the same character set.

How to fix the Error PLS-00561: character set mismatch on value for parameter ‘string’ ?

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

Adjust the expression, using TRANSLATE(… USING …) or change the character set.