Irricad

I have a system that has 4 water supplies that run 3 sets. When I try to add more than 2 of them, I get the IDE_DES_451: Root node out of range error. All water supplies have pressures specified.
Is there something I can try to see if I can make it work?
Is this something that is too complex for Irricad?

Thank you.

Hi Luz,
Please check that your water supplies are not located at inline positions-- they are only allowed to have one pipe attached to them. Secondly, be sure to note the difference between pumps and water supplies as IRRICAD defines them. The Help section gives important information there.
Regards,
Dan