Code: [09:24:06] [Server thread/CRITICAL]: Could not pass event 'pocketmine\event\player\PlayerJoinEvent' to 'SkinGiydir v1': Specified skin is not valid, must be 8KiB or 16KiB on Tyk\MainGiydir [09:24:06] [Server thread/CRITICAL]: InvalidStateException: "Specified skin is not valid, must be 8KiB or 16KiB" (EXCEPTION) in "src/pocketmine/entity/Human" at line 141 Thats my skin code Spoiler: Skin Data 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 Please help
Your posted skindata is a base64 encoded PNG (64x64 pixel). You have to convert it to RGBA to use it as skindata.