Crashed while changing the request. I replicated it by going in and changing the number by hand (clickling on number and typing the number via keyboard, no backspace used)
Error while running event Logistic Reactors::on gui text changed (ID 2)
Logistic Reactors /control.lua:89: attempt to index field 'lr fuel row'
(a nil value)
stack traceback:
Logistic Reactors /control.lua89: in function
< logistic Reactors /control.lua82>