[EO]runtime error 380,invalide property value

[game_heaven]

Hello as I said when i am on the item editor and I click on some specific items(Hey are spell scrolls) I get runtime error invalid property value,I don't know why is I could delete them I would but when I click on them I get that,Just for info i had 8 classes and i deleted 4 of them if this helps because some of this spells where for those classes,from where can I delete them?