ERROR: subst (handle=, tag=sbnet, autoload=): no such tag

[arvin]

Hi every one!

When I upgrade from plesk 7.5.6 to 8.1.1, I get this error when push "setup" bottom in hosting of plesk cp:

ERROR: subst (handle=, tag=sbnet, autoload=): no such tag

Do you know what the problem is?

Thanks in advance
arvin