You can try the workaround mentioned in article below
Looks like the solution worked for many instances like this.
Note:Please read the instructions carefully and try the workaround.
Log into vcenter server using http://<vcenter-server-fqdn>:5480
check overall health , if its not good i.e warning or error then do following
Log-in to vcsa (appliance ) enable shell and run "df -h"
if any of the disk partition is 100% then follow VMware KB
Another KB if you fail to execute Postgres commands due to space issue as part of cleanup.
If its due to space issue it should be solved.