KB-XXXX NullPointerException in record queries using PostgreSQL

Symptoms

When testing a record query in the designer, the following error is displayed:

Expression evaluation error at function a!queryRecordType: java.lang.NullPointerException: Cannot invoke "com.appiancorp.record.domain.RecordTypeType.ordinal()" because "type" is null

Cause

The root cause of this issue is currently unknown.

Action

Upgrade PostgreSQL from version 15.17 to version 16.13.