This usually happens due to a SteamID mismatch. Some save files are "locked" to the original creator's ID. Look for save files that are tagged as "Unlocked" or "Universal."
A complete save file for Mortal Kombat XL usually grants you immediate access to content that would otherwise take dozens of hours to earn. Most 100% save files feature: Mortal Kombat Xl 100 Save Game Pc
Copy the remote folder and the remotecache.vdf file to a safe spot on your desktop. Step 2: Download the 100% Save File This usually happens due to a SteamID mismatch