break items placed from awhile ago, causes crash to server

[phat-male]

I had recently upgraded my server to orebfuscator 4.4.3 which i had been using 4.4.2 on a spigot 1.13.2 version, well now the folks that it's checking if they try to break items normally causes crashes to the server.

crash report: https://pastebin.com/Y8X4nkgf
config file: https://pastebin.com/gdYBi4Vr