How to fix the Oracle error ORA-19237: XPST0017 – unable to resolve call to function – string:string?

In this post, you’ll learn more about the Oracle ErrorORA-19237: XPST0017 – unable to resolve call to function – string:string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19237: XPST0017 – unable to resolve call to function – string:string

Reason for the Error ORA-19237: XPST0017 – unable to resolve call to function – string:string

The name and arity of the function call given could not be matched with any in-scope function in the static context.

How to fix the Error ORA-19237: XPST0017 – unable to resolve call to function – string:string ?

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

Fix the name of the function or the number of parameters to match the list of in-scope functions.