[CreeperXX [Inventory rollback request]]

I was having almost non items in inventory and i disconected and died my friend got only armor and sword but everything despapwned. It was in Rl Craft 

Your Name: CreeperXX
Coordinates: cca x-2736 z: 2824
Time/Timezone/Date (Post a time/date when everything was fine): 7:00 pm 13th April 2021
Description of Issue: I was having almost non items in inventory and i disconected and died my friend got only armor and sword but everything despapwned. It was in Rl Craft 
Screenshots (Optional): Not optional 

[What should i do when i lost my 69k sword in rl craft by saving data]

What should i do when i lost my 69k sword in rl craft by saving data