In some cases, certain mods require additional dependency mods in order to function properly. This is often either specific on the mod page itself or may be found within the Relations tab at the top of the Curseforge page. Once located, install the required version for the mod and install ...
If your goal is to upload a previously-created map from online, we highly recommend only using an official site such as PlanetMinecraft or CurseForge as they are trustworthy compared to alternative platforms. When searching for a world, ensure you select one that matches the version of Minecraft...