Since “cua skupka” appears to be a non-English phrase (possibly meaning “with purchase” or “with assembly” in a Slavic language, or a typo), this guide focuses on what this file is, how to install it, and how to fix common errors. If you have downloaded a file named Sonic_Add-On_cua_skupka.mcaddon , you are likely trying to add Sonic the Hedgehog abilities, skins, or dimensions into Minecraft Bedrock Edition (mobile, Windows 10/11, Xbox, or PlayStation).