Getting Error: Conversion from string" --> " to type 'Double' is not valid . in ArcSWAT 10.7

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prashant gupta

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Sep 2, 2020, 8:52:35 AM9/2/20
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Hello Everyone,
 While executing Land Use/Soils/Slope Definition in the process to calculate HRUs,  I am getting this type of error every time. 
 
Error:     Conversion from string" --> " to type 'Double' is not valid.

What should I do?
Help me..!!!


shashwa...@gmail.com

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Sep 2, 2020, 9:17:23 AM9/2/20
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When do you get this message? It could be that your lookup table or something has a problem with the way the variable is stored there. Share more information so it can be dissected better.

Best,
SD

prashant gupta

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Sep 18, 2020, 7:37:43 AM9/18/20
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I am getting this error during  HRUs calculation every time.   

These are some data on my lookup table for both LULC and Soil...
Is this information is sufficient?

Thanks.
landuse.PNGScreenshot 2020-09-18 114633.png

ninaz...@gmail.com

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Apr 29, 2021, 11:04:41 AM4/29/21
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Hi Prasha,

Could you solve your problem?
I get the same error but I could not solve it yet.

Best, Nina

Aradhana Thakur

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Apr 29, 2021, 11:56:41 AM4/29/21
to ninaz...@gmail.com, ArcSWAT
Hello Nina,
One check the sequence of your LULC and soil class in map and sequence of the same in the look-up table.
Like in lulc map your snow I'd  is "0" thn the value of snow in look-up table should be "0", and similarly for other classes.

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