Is there anybody who can help me out. I dont know im to stupid to understand, or what i do wrong. 
I blocked some items to "no research" and "no craft",...reloaded it but i can research and craft,...after server restart the same, already i can research and craft. 
After uplouading the Plugin, The Timer was left there, i made it invisible. But no one my other changes is working.

Have i give some permission for the user that they dont can research and craft?