Tracer Exception when closing

[joeb]

Load Ecotracer

In the Input form

1. set Initial concentration to something 1
2. set base inflow rate to something 1
3. set direct absorption for something at the bottom of the food chain to some value 1 (I'm a simple person)

Output form

1. Run Ecoism (enjoy the way the form disapears)
2. find your way back to the output form 
3. click on some groups
4. close the output form(it should explode)