Some operations on your board require the skin to be re-hidden.

To do this, go to your PC Admin

" Appearance " tab , choose:

Appearance >

Model tools

Go to the 3rd table: " Rebuild master theme data "

Check all 3 boxes under " Rebuild " and check all boxes under " For applications "

Then click on the " Rebuild " button

Then, in the 1st table: " Rehide the theme(s) "

 

Choose your skin from the drop-down list, and click the " Hide Theme(s) " button