help with model

[Ghina Salsabila Rosyid]

Hello, I want to finish my model using Gurobi, but it always comes out like this. Is there any solution?

here's the mathematical model 

disclaimer: p changes with d in my model

here's my model with ampl

#OBJECTIVE FUNCTION
maximize Z: min (Allocated [i,d,t] / total_demand [i,d]);

and here's an output from neos