MY GAME IS GONE AFTER UPDATE

mahoganywood28​  Is the save itself there, or are you only seeing the option to start a new save?  If the save is there but is missing all your data, it sounds like you have one of these issues:

[PLEASE READ] Save Game Corruption | EA Forums - 5037272

Choose whichever thread best fits your issue.

If the saves themselves aren't available in-game, please double-check that you've added them to the correct Sims 4 folder and that they're named correctly.  Please see this article for the first:

https://sims4.crinrict.com/eng/2018/07/how-to-find-your-user-folder/

For the second, you can see how to name saves in this article:

https://sims4.crinrict.com/eng/2014/09/recover-backup-save-game/

It may also help to recover a backup save, as described.