This article covers steps to fix Plesk update error on centos 7 GCP.
1. In CLI, run the below command:
$ plesk installer update
# run (micro) updates for plesk itself, this successfully updated my setup from #60 to #61
2. Also run the command:
plesk repair all -y
# tries to repair all errors found in the system
3. Finally, in GUI, execute:
Execute "Update All"