hi, I use it up since k2 is time and I find it very great. but I am having a problem to level of the proposed articles of users who have permission to publish.after validation of Article I receives an error message: 403 - You are not authorized to view this resource.what to do to solve this problem?

Hi..
I guess you have to wait for the upcoming K2 v.2.3 (not sure exactly when).
This week probably will be released.