Apparently this was a backend problem. Yesterday morning I checked the https://mran.microsoft.com time machine services has been restored and it solved my problem.
Thank you
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Dear Microsoft, MRAN server support please help me to fix the time machine snapshot for Open R 3.3.3, date (CRAN snapshot from: 2017-03-15 (Default repository date for Microsoft R Open 3.3.3))
Thank you
Apparently this was a backend problem. Yesterday morning I checked the https://mran.microsoft.com time machine services has been restored and it solved my problem.
Thank you