Unable to provision IP addresses from PBAS to clients located on Plesk servers, the following error appears
Cannot add IP address '10.10.10.10' to Plesk server IP pool: Unable to find IP Addresses
Please fill in Plesk Container Properties for your Plesk virtual Node, otherwise the IP management will be disabled for all domains hosted on this Node.
Plesk server is running CloudLinux Operating System.
This issue has been submitted as a software issue with internal IDs #PPPM-2625 and #PPPM-2633. This issue was fixed in MU40 according to Plesk 12 Release Notes.
Install all the latest Plesk microupdates.