SWAT Error Checker – System.FormatException “Value "" is not an int” while reading output.rch

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Subhadip Ghosh

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Feb 16, 2026, 11:10:28 AM (4 days ago) Feb 16
to SWAT-user

Dear SWAT User,

I am running SWAT and trying to examine model output using SWAT Error Checker (Version 1.2.0.9, Released January 11, 2017).

However, I am getting the following error:

Type: System.FormatException
Message: Value "" is not an int.
Source: SWAT.OutputProcessor
Location: SWAT.OutputProcessor.Schemas.SchemaLine, line 0, column 0
While reading: output.rch

The project path is:
C:\SWAT_Thesis_final_final_final\Scenarios\Default\TxtInOut

The model run was completed successfully, but the Error Checker stops while reading output.rch.

Could you please help me understand why this error is occurring and how to fix it?
Is this related to blank or corrupted values in the output files?

Thank you for your support.

Screenshot 2026-02-16 010306.png

Nancy B. Sammons

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Feb 16, 2026, 11:16:08 AM (4 days ago) Feb 16
to Subhadip Ghosh, SWAT-user

You should update your SWAT checker software to a newer version.

https://swat.tamu.edu/software/swat-check/

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Joydip Ghosh

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Feb 17, 2026, 10:56:16 PM (2 days ago) Feb 17
to Nancy B. Sammons, Subhadip Ghosh, SWAT-user
I am using ArcSWAT 10.4 version . Will it not work in this?

Subhadip Ghosh

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Feb 17, 2026, 10:56:21 PM (2 days ago) Feb 17
to subhadp...@gmail.com, Nancy B. Sammons, SWAT-user
I am using ArcSWAT 10.4 version . Will it not work in this?

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