Error: "Class 'Ds\Queue' not found"

[MineGuy112]

Please make sure your issue complies with these guidelines:

• • [x] Server Software must be the official PMMP w/o vanilla patching plugins (i.e. TeaSpoon)
• • [x] Issue must have not been reported previously
• • [x] Make sure you are on the latest version of PMMP & PiggyAuctions
• • [x] Have a detailed title.

Link to Crashdump: https://hastebin.com/iyurababep.yaml

Extra Information

It occurs when a player joins the server. It's also exactly the same error that used to be on PiggyCrates.

[Aericio]

Use 1.0.9

https://github.com/DaPigGuy/PiggyAuctions/releases/tag/1.0.9