Lost all stuff - I don't know how

[Troll_Plays]

Today, 4.11.2017, I lost all my stuff in my inventory (Diamond Sword, 2 Diamond Pickaxes; 1 enchanted with Mending, Efficency V, Unbreaking III and Fortune III; Iron Axe and Shovel;damaged; Diamond
Boots, Leggins, Chest and Diamondblock-Head, some Cooked Porchop, a Chest 7 map and some blocks I think) I didn't put it in any chest and I can't loose it when I die. So I don't know where the'd go. I just looked for some treasures and made some Parkour and MA. After I asked Serpin, he told me to ask if my inventory could be refilled using the inventorydata from when I play Minigames. Sorry for any grammar/ spelling mistakes.
I appreciate any help. Espacilly because I can't end the quests without the Chest 7 map
Troll_Plays

[Migas]

We can recover if you played some of the minigames recently.

Can you try to explain when and how your inventory disappear?

[Troll_Plays]

So it happened sonewhen yesterdays either between 10 AM and 1 PM or cause i realized it at 4 or 5 PM, I think.

I liturally dont know but i think it maybe happened when i logged in/out cause usually I realize that my food and my stuff is missing