forrtl: error (65): floating invalid / nut _nminrl

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Edwin Alejandro Chávez Esquivel

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Oct 28, 2025, 10:03:21 AMOct 28
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Hi! I´m trying to run swat plus, but im having this error constantly and I don't know what's wrong :( 

Can you help me please? This is the message

forrtl: error (65): floating invalid Image PC Routine Line Source rev61.0.1_64debug 00007FF6AD94F98D NUT_NMINRL 175 nut_nminrl.f90 rev61.0.1_64debug 00007FF6ADD9D6EE HRU_CONTROL 351 hru_control.f90 rev61.0.1_64debug 00007FF6AC902B82 COMMAND 254 command.f90 rev61.0.1_64debug 00007FF6ACBC772A TIME_CONTROL 255 time_control.f90 rev61.0.1_64debug 00007FF6ADF3AF1A MAIN__ 134 main.f90 rev61.0.1_64debug 00007FF6AE6DB0EB Unknown Unknown Unknown rev61.0.1_64debug 00007FF6AE6DB819 Unknown Unknown Unknown rev61.0.1_64debug 00007FF6AE6DB732 Unknown Unknown Unknown rev61.0.1_64debug 00007FF6AE6DB5EE Unknown Unknown Unknown rev61.0.1_64debug 00007FF6AE6DB88E Unknown Unknown Unknown KERNEL32.DLL 00007FFA4A517374 Unknown Unknown Unknown ntdll.dll 00007FFA4B17CC91 Unknown Unknown Unknown

Jon Larrinaga López

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Nov 11, 2025, 10:47:51 AMNov 11
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Hello,

Were you able to solve this error? I am experiencing the same error and not able to solve it so far.

Thank you!

Jon Larrinaga López

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Nov 13, 2025, 10:19:18 AMNov 13
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Hello,
I was able to solve the issue. In my case, there was an error in my user_soil CSV file. I was importing the SOL_CBN parameter incorrectly due to a problem with the decimal points. This caused the values to be unrealistically high and outside the recommended range for this parameter according to SWAT guidelines. Since it appears that nutminrl is derived from these values, this caused an error.
After correcting this, everything works fine now.
Hope this helps!
Jon

Edwin Alejandro Chávez Esquivel

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Nov 25, 2025, 10:46:37 AMNov 25
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Hi!

Yes, I was able to solve it changing the user_soil file. In my case, it was the soil depth of just one layer!!!! 
Thank you so much for sharing!
Ed

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