CKS EBE: On the Site Features page I can't activate CKS:EBE Extension

Topics: Enhanced Blog Edition
Nov 6, 2008 at 3:12 PM
Dear all, with Site Administration on the Site Features page (of my blog created with MOSS blog template) I can't activate CKS:EBE Extension for this error:
 When I click on the button ACTIVE --> "Value not included in expected range".
How can I solve this problem?
Thanks in advance.
Max