Got this 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>