Leon Breukel

Hello Alison, yes you´re totally right, this was my intending objectiv! I wrote the code so often that i didn´t recognised this error, thank you very much! Without your help i would have sit there ...

Hello Alison,   thank you really much i got quiet further with your answer! now i have a little different problem: I have a supply chain with 3 stages: 1. stage i, 2. stage j and 3. stage k Now whe...