Cannot revise sales order if project information is entered ?

Summary

All sales order lines attributes are greyed out when creating a revision on a sales order with project information entered (Project Driven Supply Chain)

Content

Hello

we're currently testing out the Project Drive Supply Chain (PDSC) flow.

When a sales order is submitted with project information entered at the line level, sales order is submitted correctly, lines are processed to awaiting shipping. But when I create a revision, all attributes are greyed out and cannot be changed (eg. ordered quantity, ship to address).
When the project information is NOT entered, then I'm able to revise attributes correctly, with the lines being in the same awaiting shipping status.