Oh, I solved. It was just typing error on the other part. Thanks a lot. @timtower Uh... sorry. I thought solved it, but it wasn't. I added close...
@timtower Thank you! I can open inventory successfully. ...And can you let me know how to add InventoryCloseEvent? I added that event, But it...
Oh, thanks. I'll try tomorrow.
I am making function that exchanges player items to score, "Item Drain". But as I'm just starting Kotlin and Java now, I cannot open (virtual)...
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