The mod Quality condenser (1.2.6) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event quality-condenser::on_object_destroyed (ID 174)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__quality-condenser/control.lua:324: in function '?'
quality-condenser/control.lua:387: in function <quality-condenser/control.lua:384>

Large mod list can post more info if needed

Fixed in 1.2.7.

Confirmed as fixed, thanks for the fast fix was worried I'd have a new permanent addition to my recycling plant lol