error when using explosive pickaxe next to machines

[J3fftw1]

Description (Required)

when you use a explosive pickaxe next to a machine on a normal minecraft block it gives a error

but when i use the explosive pickaxe i dont get this error and the block i wanted to break gets removed
Steps to reproduce the Issue (Required)

https://streamable.com/hjnzu
Expected behavior (Required)

not get a error and remove the block normal vanilla block
Server Log / Error Report

https://hasteb.in/ahunelew.sql
Environment (Required)

05.11 13:07:35 [Server] INFO Paper v1_14_R1
05.11 13:07:35 [Server] INFO CS-CoreLib vDEV - 76 (git aaef21bd)
05.11 13:07:35 [Server] INFO Slimefun vDEV - 329 (git 57da6db)
05.11 13:07:35 [Server] INFO Installed Addons (4)
05.11 13:07:35 [Server] INFO Barrels vDEV - 7 (git 0d14dd9)
05.11 13:07:35 [Server] INFO SlimeXpansion vDEV - 4 (git 5bf10c29)
05.11 13:07:35 [Server] INFO SlimefunOreChunks vDEV - 2 (git 24d90a3e)
05.11 13:07:35 [Server] INFO DyedBackpacks vDEV - 1 (git 4b4d1f0f)