Disappearance of my watchlist and check ins

@Caglarerdem Please see https://help.imdb.com/article/imdb/common-issues/my-watchlist-ratings-and-settings-are-gone-what-happened/GN3WDT7NXYJ493CJ for a solution.  

Note that solutions to most common IMDb issues can be found at https://help.imdb.com/ 

Hope this helps.