error in building VAT and error is executing grid expression

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VIKAS SINGH

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Feb 15, 2024, 2:00:03 PM2/15/24
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Hi,
I am on HRU analysis step in Arc SWAT. Whenever I add soil layer to develop hrus, I got the geometric reference error, I fixed it but now I am getting following error

error in building VAT and error is executing grid expression.

Any suggestion will be appreciated. Thanks 
I have attached the error message. 


Regards
Vikas Singh

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error1.PNG

Priyamvada Dubey

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Feb 26, 2024, 9:53:54 AM2/26/24
to VIKAS SINGH, ArcSWAT
Same error 

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11_ Nadia Fidela Ardiningrum

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Aug 22, 2025, 10:25:37 AMAug 22
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Screenshot 2025-08-22 020312.png
Hello i have same problem, how to solve itt??

Shailendra Kunwar

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Aug 24, 2025, 7:57:55 AM (13 days ago) Aug 24
to 11_ Nadia Fidela Ardiningrum, ArcSWAT
I think soil type/name which lies in your catchment area is not available in SWAT2012 mdb file extension .It is inside the project you created. Open this mdb file; double click user soil and see your soil name (which you have seen from attribute table of soil map) .If not present we need to download user soil where our project soil name is  available.So such error arose.

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