All my animals, pets, villagers and paintings disappeared :(. Thank you.

Duplicate. To make sure to not duplicate I'll suggest the search feature. Try multiple terms such as mobs missing, mobs Dissapiar, pets gone, etc. If you find more than one result click on any and it will take you to the main post or it will take you to a copy post that is corrected in the replies

Please do not create duplicates of your own reports (MCPE-148881).