Hello @Coka, Hearty Welcome to our friendly King Community
I am very sorry to hear that you have lost the level progress in your game!! Did you save your game before through Facebook account OR Kingdom account? Can you please tell me how the progress was lost? Also, in what game you are having this issue?
Please follow this link --->Restore Your Game Progress and see if that helps! If it did not and/or if you have any difficulty to follow the links, please let us know.
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Talk to you soon! Have a great rest of the day/evening!