How to fix the Oracle error PLS-00621: at least one operand in the COALESCE expression must not be NULL?

In this post, you’ll learn more about the Oracle ErrorPLS-00621: at least one operand in the COALESCE expression must not be NULL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00621: at least one operand in the COALESCE expression must not be NULL

Reason for the Error PLS-00621: at least one operand in the COALESCE expression must not be NULL

All the operands in the COALESCE expression are the literal NULL.

How to fix the Error PLS-00621: at least one operand in the COALESCE expression must not be NULL ?

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

Change at least one operand in the COALESCE expression to be non-NULL.