How to fix the Oracle error PLS-01911: : associative array key violates its type constraints?

In this post, you’ll learn more about the Oracle ErrorPLS-01911: : associative array key violates its type constraints with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-01911: : associative array key violates its type constraints

Reason for the Error PLS-01911: : associative array key violates its type constraints

The key value of an element being inserted into an associative array violates the the key type constraints.

How to fix the Error PLS-01911: : associative array key violates its type constraints ?

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

Relax the constraints if the key value is meant to be acceptable. Otherwise, apply a valid key value when inserting an element.