manny objekt are missing,

wher are they from?
Hear:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=708542038

Eclectic Construction 3x4 L2
Type: building
Status: available
Workshop link
In city: no
Date: 15.9.2023
Size: 3138 KB
Eclectic Construction 3x4 L2 uses these assets:

Fence - Large
Fence - Medium
Fence - Small
Porta-Potty
Realty Sign
Wood Stack 1
Wood Stack 2
Wood Stack 3
Wood Stack 4
Wood Stack 5
Wrap Roll

ps. so i push the wrong key and it`s send without link, why Steam, Why i can´t edit?

what does this do?