How to fix the Oracle error PLS-01910: : associative array shape is not consistent with session parameters?

In this post, you’ll learn more about the Oracle ErrorPLS-01910: : associative array shape is not consistent with session parameters with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-01910: : associative array shape is not consistent with session parameters

Reason for the Error PLS-01910: : associative array shape is not consistent with session parameters

NLS parameters affecting comparison of keys have been altered dynamically. The associative array’s index is invalid.

How to fix the Error PLS-01910: : associative array shape is not consistent with session parameters ?

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

Avoid using associative arrays with string keys in applications which require frequent changes of NLS_COMP and/or NLS_SORT.