The culprit is the merged chest from merging chests mod
https://mods.factorio.com/mod/WideChests
https://i.imgur.com/5AJvnXL.png
The mod Quantum Fabrication (2.4.3) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event quantum-fabricator::on_tick (ID 0)
quantum-fabricator/scripts/qs_utils.lua:171: attempt to index field '?' (a nil value)
stack traceback:
quantum-fabricator/scripts/qs_utils.lua:171: in function 'count_in_storage'
quantum-fabricator/scripts/builder.lua:134: in function 'instant_upgrade'
quantum-fabricator/scripts/tracking_utils.lua:217: in function <quantum-fabricator/scripts/tracking_utils.lua:190>
(...tail calls...)
flib/table.lua:294: in function 'for_n_of'
quantum-fabricator/scripts/tracking_utils.lua:88: in function 'on_tick_update_requests'
quantum-fabricator/scripts/events.lua:415: in function <quantum-fabricator/scripts/events.lua:413>
