Calibration Icon Disabled in SWAT-CUP SUFI2 Even After All Requirements Met

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Pradeep K K 22PHD1106

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Jun 27, 2025, 9:42:52 AMJun 27
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Dear SWAT-CUP Users Group,

I hope this message finds you well.

I am currently using SWAT-CUP 2019 with the SUFI2 algorithm and have encountered an issue where the calibration (gear) icon remains disabled, even after incorporating all the required input files and configurations.

Here is what I have already ensured:

  • Properly defined parameter ranges in the SUFI2_swEdit.def file

  • Added observed data in the Observed_rch.txt file with matching date ranges

  • Defined variable extraction file (Var_file_rch.txt) using the correct FLOW_OUT output

  • Verified that the output.rch and FLOW_OUT_XX.txt files are correctly generated after running SWAT

  • Checked for the presence of SUFI2.IN and other supporting files

  • Confirmed objective function selection and project path format

  • Reinstalled SWAT-CUP 2019 and ran a minimal test project

  • Tried using “Save Iteration” as recommended

Despite all this, the calibration icon remains greyed out and unresponsive. I would be grateful if anyone could advise me on what might be causing this issue or suggest any advanced troubleshooting steps I may have missed. To assist with diagnosing the issue, I have attached a screenshot. 

Thank you for your support.

Warm regards,
Pradeep

image.png



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Abrham Ybeyn

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Jun 28, 2025, 7:22:07 AMJun 28
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Hello, SWAT CUP 2019 is not free; you need to buy an activation license. 

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With regards 
Abrha Y.
(M.Sc. In Water Resources and Irrigation Engineering
With  specialization of irrigation and drainage engineering)   
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