My World Won't Load

My World won't load anymore, i really love this world but it won't load anymore, i cried and cried but it still won't load, at first it said that my device doesn't have enough space to save my progress so i deleted almost all my apps games videos and pictures but it still won't work! And now it says There was a problem loading this world ,and i dont understand what is the problem loading my mc world, pls fix this, because i dont want to lose my world's again in the future! Pls fix this im literally crying! I even screenshot the seed that my world was so i can play on it again because its a very good randomly generated seed