Unable to pin Knowledge base in new issue view

Issue Summary

When trying to pin the knowledge base suggestions to the top, we get a positive message but no result.

Steps to Reproduce

1. Open a ticket in a project that has a knowledge base
2. Pin the knowledge base

Expected Results

The knowledge base shows at the top of all fields

Actual Results

The knowledge base continues to show in the bottom of the fields.

The below exception is thrown in the xxxxxxx.log file:

...

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available