Got this error while placing a passive provider chest and inserting level 2 splitters into the new network.

The mod Belt Upgrader caused a non-recoverable error.
Please report this error to the mod author.

Error while running event BeltUpgrader::on_nth_tick(180)
The mod Instant Upgrade Planner caused a non-recoverable error.
Please report this error to the mod author.

Error while running event upgrade-planner-instant::on_marked_for_upgrade (ID 114)
upgrade-planner-instant/control.lua:198: bad argument #3 of 3 to 'index' (string expected, got nil)
stack traceback:
[C]: in function '__index'
__upgrade-planner-instant/control.lua:198: in function 'handler'
stdlib/stdlib/event/event.lua:315: in function 'pcall'
stdlib/stdlib/event/event.lua:330: in function 'dispatch_event'
stdlib/stdlib/event/event.lua:413: in function <stdlib/stdlib/event/event.lua:369>
stack traceback:
BeltUpgrader/control.lua:126: in function 'upgrade'
BeltUpgrader/control.lua:55: in function <BeltUpgrader/control.lua:40>
stack traceback:
[C]: in function 'order_upgrade'
BeltUpgrader/control.lua:126: in function 'upgrade'
BeltUpgrader/control.lua:55: in function <BeltUpgrader/control.lua:40>