Error 71 Code

Hello,

I am getting error 71 for the following model. I’ll be happy if you can help me.

Thank you.
Error Code 71.png
attachment=0]22-EKİM-AÇIK MODEL.gms[/attachment]
22-EKİM-AÇIK MODEL.gms (85.3 KB)

Hi,

The error message actually says it all:
image.png
You declare equation k888 in line 2571 but you never define it.

I hope this helps!

Fred

Thank you.