I'm not sure if this will help but the last time i played before logging out i was swimming from coast near elektro to cherno my backpack and gun floated away so I logged off for the night in the middle of the bay between cherno and elektro.
I successfully loged in yesterday to see myself in teh middle of the bay but today
My game client version is: 113997 and the servers i tried to join were version: 113953. I couldn't any servers with the same version as my client.