404. That’s an error.
The requested URL /_/+1/confirm?hl=en&url=http://dana-dana.mine.nu:8888/mbc1/2019/07/15/sav-1/&name=SAV+1 was not found on this server. That’s all we know.
/_/+1/confirm?hl=en&url=http://dana-dana.mine.nu:8888/mbc1/2019/07/15/sav-1/&name=SAV+1