Jann

Hey guys , you can check my fork https://github.com/J-a-n-n/lol-mastery-manager/commit/c2a4efca83b65d764784f14784736dbc8ef1c7d0#diff-7d73edd3339c5da7d2462c397e03586a just change the code with the new attribute

"Rito" changed their Static Data (AGAIN!!!) , i made some changes to reflect this newer structure , you can check my fork and try ... not fully tested yet (sorry)...

Riot have changed masteries.json in the last couple of patches , just download my fork, build and try ( copy that file in your program directory along with the new...

Hey , i submit a pull request for an attempt to fix this issue , feel free to try and leave a comment :)