How to fix the Oracle error ORA-28577: argument string of external procedure string has unsupported datatype string?

In this post, you’ll learn more about the Oracle ErrorORA-28577: argument string of external procedure string has unsupported datatype string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28577: argument string of external procedure string has unsupported datatype string

Reason for the Error ORA-28577: argument string of external procedure string has unsupported datatype string

While transferring external procedure arguments to the agent, an unsupported datatype was detected.

How to fix the Error ORA-28577: argument string of external procedure string has unsupported datatype string ?

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

Check your documentation for the supported datatypes of external procedure arguments.