How to fix the Oracle error PLS-00129: Pragma INTERFACE only supports C as its first argument?

In this post, you’ll learn more about the Oracle ErrorPLS-00129: Pragma INTERFACE only supports C as its first argument with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00129: Pragma INTERFACE only supports C as its first argument

Reason for the Error PLS-00129: Pragma INTERFACE only supports C as its first argument

The first parameter passed to pragma INTERFACE specified a host language other than C. Currently, C is the only host language supported. The parameter might be misspelled, or the pragma syntax might be faulty (for example, a comma might be missing between two parameters).

How to fix the Error PLS-00129: Pragma INTERFACE only supports C as its first argument ?

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

Check the spelling of the first parameter, which should be C, and make sure the proper syntax was used.