Error 404 when trying to download data

Hi! I’m using some devices connected to the site and started with problems to download data.
Every time I try to download it appears the “404” message.
I’m using Wemos Lolin32 devices, wifi connected . Using web dashboard.
Today I’m interested on IPTP-ACE-ARD-01 device, but can’t download from any of my devices.
Could you please help me?
Many thanks in advance.


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please help me. Thank you