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I am currently working on a vehicle routing problem and get this error when i try to run it. Does anyone know how to fix it. 

I have also attached the excel file where the data is stored. (Ignore the emission zones column)

 

Kind regards

Prakash

Hello, you modeled this as MINLP which might not be necessary. Are you required to solve this assignment using a MINLP ? If not, did you review this example ? 

https://www.aimms.com/english/developers/resources/examples/practical-examples/vehicle-routing-cvrp/

What are the different constraints that you need to satisfy, like 1. all customer demand must be met, 2. only one vehicle must satisfy all demand at a customer 3. trucks start at and come back to depots etc. 

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