pic #1 : share/string/skilldesc.csv
pic #2 : share/string/skillname.csv
pic #3 : u are missing tpack/texture files check effectscene Code for the skills
and u will see a LIST at the top with all kind of names and search for every single one in the right effectdata file and be sure it is ther or check the texture paths it requires

and be sure the effectdata codes are added in the right CATE section!!