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then how about watersupply - wastewater collected - ratio - lookup table% collected - wasterwater treated.. should i delete that should i still use?

hi i have problem with my graph and my lookup table. i need a graph of water inflow is increasing. i already use many ways but it doesn't work..can i have your opinion here.
i have attach my model here
thankyou in advanced

Administrator wrote: ↑Sat May 30, 2020 8:14 am If it helps, the "Students learn driving" stock is the problem here. Look at the table of values.

im sorry but i still didn't understand about it. i still dont know what i should do about this warning and i still confuse

I am a newer of using the vensim what the solution of the warnings as i showed below in my model after i simulate the model WARNING: Lookup out of bounds at 1 Above -#learning curve#- computing -learning curve-. WARNING: Lookup out of bounds at 1 Above -#workload#- computing -workload-. i have attac...