The mod Peppermint Mining (2.2.3) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event Peppermint_Mining::on_nth_tick(67)
Peppermint_Mining/control.lua:375: attempt to index field '?' (a nil value)
stack traceback:
Peppermint_Mining/control.lua:375: in function 'pick'
Peppermint_Mining/control.lua:152: in function 'mine'
Peppermint_Mining/control.lua:281: in function 'mine'
Peppermint_Mining/control.lua:445: in function 'chewy'
Peppermint_Mining/control.lua:403: in function <Peppermint_Mining/control.lua:398>

I have dangOreus as well
Getting the following today:
The mod Peppermint Mining (2.2.4) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event Peppermint_Mining::on_nth_tick(61)
invalid key to 'next'
stack traceback:
[C]: in function 'next'
Peppermint_Mining/control.lua:376: in function 'pick'
Peppermint_Mining/control.lua:152: in function 'mine'
Peppermint_Mining/control.lua:138: in function <Peppermint_Mining/control.lua:135>

This was a different error than the one you're replying to. But it should be fixed now. Thank you for the report!