LOS ANGELES (AP) — Hollywood’s actors’ union filed an unfair labor practice charge against Llama Productions on Monday, alleging the company replaced actors’ work by using artificial intelligence to generate Darth Vader’s voice in Fortnite without notice.

Epic Games and Llama Productions are the subject of an unfair labour practice charge from the SAG-AFTRA union.

Mere hours after the debut of AI Darth Vader in Fortnite, the character began spewing racial slurs and making real-world threats against players, sparking immediate backlash and concern.