Missing 25 Chimera shards

Product: Star Wars: Galaxy of Heroes
Platform:Android
What type of device are you experiencing the issue with? Google Pixel 8a
OS Version 14

Ally Code: 657-476-692
What type of issue do you have? Missing Rewards
How often does the bug occur? Rarely (0% - 9%)
Summarize your bug Chimera event finished and missing 25 shards.
Steps: How can we find the bug ourselves? Finish the chimera event.
Connection Type Wifi
Please select your region Europe
Country France

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Image shows the finished event with the 25 missing shards on the left side.