Error opening a Crate with AdvancedCrates

[Anto2602]

What plugin is this ticket in relation to?
Are you using Specialized Crates, or Advanced Crates? AdvancedCrates

Versions:

• Server Version: Paper 1.18.2
• Plugin Version: 4.1.13

Describe the bug
A clear and concise description of what the bug is.: When i try to open a crate i get an error in console: https://pastebin.com/iQ2RrtqV

To Reproduce
Steps to reproduce the behavior: Trying to open every crates

Expected behavior
A clear and concise description of what you expected to happen.: Getting error in console: https://pastebin.com/iQ2RrtqV

Screenshots
If applicable, add screenshots to help explain your problem. Console errore: https://pastebin.com/iQ2RrtqV

Error / Logs
Please post any errors / server log to https://pastebin.com and provide your Pastebin URL. https://pastebin.com/iQ2RrtqV

Config File
Please post your config file to https://pastebin.com and provide your Pastebin URL. https://pastebin.com/g39GmYz5

Crate File
Please upload the crate files that you are having issues with to https://pastebin.com and provide your Pastebin URL. https://pastebin.com/K3Qc5xHv