System update tool error

Hello,

I'm currently receiving the following error through mail from plesk system update tool:

Please resolve them manually.

Reason: 2020-09-05 03:36:54 INFO: pum is called with arguments: ['--update', '--json']
2020-09-05 03:37:08 INFO: updating packages: matio alt-php51-bcmath alt-php54-pspell alt-php52-gd alt-php54-gd alt-php71-common alt-php53-devel alt-php52-xmlrpc alt-php52-enchant alt-php54-tidy alt-php54-mcrypt alt-php70-devel alt-php56-mysqlnd grub2-efi-x64-modules...

System update tool error