How to fix the Oracle error ORA-07443: function string not found?

In this post, you’ll learn more about the Oracle ErrorORA-07443: function string not found with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-07443: function string not found

Reason for the Error ORA-07443: function string not found

An invalid function name was specified.

How to fix the Error ORA-07443: function string not found ?

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

Use a valid function name.

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