Unconfirmed Attack casualties not deducted

[Wham Warrior]

Ingame Nick:
Affected world(s):
Browser:
Reproduction steps:

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Detailed error description (What you see):
The units shown as the attack force in the most recent attack report are still shown as the force in the barracks, casualties have not been deducted. When I tried to initiate a further attack it said insufficient units. I then tried again using the values that should have been calculated and it accepted these values for the attack
How it should be:

Screenshot[