Along with the website redesign we have released the updated version of DJ-Catalog2.
If you have recently encountered any problem related to 'r=0">here' error in your DJ-Catalog2 administrator panel just follow this easy steps to have the license valid again.
Also notice that even with this error displayed your DJ-Catalog2 installation works as usual.
after those steps all should be ok and running.
You may also like to see the update guide in images below: