BAT decreased even though my I have auto contribute turned off

My BAT estimated earning so far reduced from 2.2 to 1.64 today out of nowhere. Please let me know how to fix this?
I am using
Version 1.22.71 Chromium: 89.0.4389.114 (Official Build) (64-bit)

Version of brave on a windows laptop.

My Brave rewards are consistently dropping every week even though I am receiving ads. It dropped from 2.95 to 2.6 today. This is the second time this happened. please fix this

You need to update to 1.22.75

I was on 1.23.73 when this decrease happened. I keep updating the browser regularly.

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Any update on this issue?