To add a Sitebuilder plan:
Note: A Sitebuilder plan name can include both lower case and upper case latin letters (a - z, A - Z), digits (0 - 9), dots, and spaces.
As you save a new plan, you will see the new plan properties (grouped by several tabs) on the screen and the system message saying Plan saved successfully. Do not forget to synchronize nodes.
What does nodes synchronization means for a Sitebuilder plan? A newly created Sitebuilder plan does not include any Sitebuilder add-ons (special programs called modules and website pages templates). You can add these add-ons to a plan after you save it. After modules and templates are added, you must manually check which of the registered Sitebuilder nodes has the set of templates/modules included in the plan enabled. This is the way to check the actual state of affairs with Sitebuilder services availability.
You can add modules or templates to Sitebuilder plans and synchronize plans with Sitebuilder nodes after a plan is created. On a plan creation stage you can only set a plan name and the number of pages for websites.