The MethodError is giving a hint: set_optimizer_attribute(::Model, ::String15, ::Float64).
The String15 type isn’t something that JuMP supports.
Do
set_optimizer_attribute(Expansion_Model, "$(paramrow.Parameter)", paramrow.Value)
The MethodError is giving a hint: set_optimizer_attribute(::Model, ::String15, ::Float64).
The String15 type isn’t something that JuMP supports.
Do
set_optimizer_attribute(Expansion_Model, "$(paramrow.Parameter)", paramrow.Value)