Mythic mobs 5.0.2 1.19.4 custom items error

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    I have noticed that version 5.0.2 of the mythic mobs plugin does not work correctly in minecraft version 1.19+. The error is that no item cannot be given and I noticed that on the official page of mythic mobs there is a version 5.2.0 that cannot be found in aternos, somebody could help me? (sorry for the bad translation, I don't speak English)