WDAC Wizard crashes when creating a file path allow rule in a supplemental policy

[UB01609]

WDAC Wizard crashes when creating a file path allow rule in a supplemental policy. Also enabling UMCI at the same time. Does not crash when creating a file path allow rule in a base policy, only in supplemental policy. Trying to create file path allow rule for "C:\Users\UB01609\AppData\Local\HP\ALM-Client" directory.

How to recreate:
Settings App (version 2.5.01):

Create a file path allow rule in a supplemental policy:

Make sure UMCI is enabled (not sure if this is 100% required to recreate.

Try and create supplemental policy. Wizard should crash:

[UB01609]

I realize the pictures make it look like I was trying to implement the file path allow rule in kernel mode; this is not the case. I turned kernel mode off prior to creating the rule.

[UB01609]

Adding log files from "C:\Users\UB01609\AppData\Local\Temp" (.log file is empty; Unable to upload .db-wal file because of file type restrictions.)
mat-debug-3352.log

[UB01609]

Fixed by changing ProductSigners field under ID_SIGNINGSCENARIO_WINDOWS from:

to

I believe this was caused by me manually removing hash allows incorrectly. I tested this with the WDAC Wizard and found that it works as expected.