The raid bar sometimes renders empty despite raids being in progress and raiders still being alive

The Bug:

The raid bar sometimes renders empty despite raids being in progress and raiders still being alive.

Steps to Reproduce:

1. Enter a village and start a raid.
2. Complete the first wave and wait until the second wave.
3. Look at the raid bar and locate the raiders.

Observed Behavior:

The raid bar sometimes renders empty despite raids being in progress and raiders still being alive.

Expected Behavior:

The raid bar would render according to how many raiders are left within the wave.