Failed to update Plesk. To solve this problem, you can send the update log to Parallels support

Hi, please last three days is this message with link to log file on home page of our plesk. Please what we have to do? Here are details of log file:
Execution failed.
Command: autoinstaller
Arguments: Array
(
[0] => --select-product-id
[1] => plesk
[2] => --select-release-current
[3] => --upgrade-installed-components
)

Details: Doing restart of Parallels Installer...
File downloading products.inf3: 100% was finished.
File downloading plesk.inf3:...

Failed to update Plesk. To solve this problem, you can send the update log to Parallels support