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Problems editing tailwater rating curve

Problems editing tailwater rating curve

Hi. Today, after a couple of months, I come back to a HY-8-7.5 model used whithout any problems before, but when I tried to change the elevations in the tailwater rating curve, the program changed the values entered by me previously. I didn´t understand what was happening. I tried to do a new model from zero and I get the same problem. I uninstalled and installed the program three times and the problem happen again.

I´m using Windows 10 but I tried too in a laptop with Windows 7.

Can anybody help me?

Attached is the HY-8 v7.5 file that I was trying.

Thank you very much!

RE: Problems editing tailwater rating curve

confirmed, you have some sort of bug. I use HY-8 v7.3

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