Unable to claim the items from the "Double Track Event"

Some items from the first 19 days of the "Double Track Event" have not been received.
When I click the "Claim" button, nothing happens. I've tried multiple times already.
Please help me retrieve these items.
A related screenshots is attached below:





Device and version: Samsung Galaxy Note 9
Device operating system: Android 10
Mobile carrier: CMCC.
Cellular or Wi-Fi: both
Game version installed: 46.0.1 (1330196)
Game mode: Main interface
Active boosts: No boosts
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