I have imported Google Analytics data from 2007 up to half of 2023 and I am seeing weird behaviour from the core:archive. When it ran it shown 0 total visits for most weeks (but not all).
There are now weird stats when viewing it.
If I view up to 6 days it seems ok.
But if I add just one more day to it then the aggregated drops to 0 most of the time (BTW I guessed that it is using incorrect week data, but the range is from Wednesday to the next Tuesday, more precisely 2016-11-03 to 2016-11-09):
The day data are there, but the aggregated week data are wrong (and month and year too). I am using Matomo 4.15.1 and imported Google Analytics data in the last 3 weeks.
I imported it on a different computer (but with Matomo and DB settings copied) and had it under different sideid. I migrated from DB to DB and changed siteid in phpMyAdmin, so there might be some points of possible failure, but it seems to be working on the day-level.
Then I invalidated all the reports using the Invalidate plugin (which as per docs seems to keep day data as they there are no logs from the respective days).
Then I ran core:archive, which outputted a lot of “Archiving week XY: 0 total visits” even though that is incorrect.
Certainly I may have made a mistake at some point, but I don’t see where or how to fix it. Any tips are welcomed 
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