How to reverse a job-related shipment transaction in Sage 300 ERP?

A:

Our client has an issue regarding job-related O/E Shipment.

After posing a job-related shipment, user noticed that unit price was wrongly entered.

As the shipment is job-related, any fields in this screen are not editable anymore.

Do you have any idea know how to adjust or change the job-related shipment transaction?

Q:

Create a job-related credit note.