Python error on **line 568** of lm_util.py in Linkage Mapper Version 3.0.0

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Ritam Dutta

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Jun 26, 2023, 8:00:03 AM6/26/23
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Hi, 
I need a quick help. I am struck in an error from few days, I checked every possible way to solve this, but the error every time pop up after 90% complication. I am working in a window 10, ArcGIS 10.8 and Linkage mapper 3.0 environment, with a 12 GB ram. I project core areas vector and resistance raster in WGS 84. I made a column for core area file for the "Core Area Field Name". 

It says,
Python error on **line 568** of lm_util.py in Linkage Mapper Version 3.0.0:
SystemError: error return without exception set
---------------------------------
A record of run settings and messages can be found in your log directory:
F:\LM\run_history\log
---------------------------------
 
Completed script MapLinkages...
Failed to execute (MapLinkages).
Failed at Mon Jun 26 17:13:29 2023 (Elapsed Time: 1 minutes 47 seconds)

Can anyone solve this problem!! It will be a real help to me.

Thanks, 
2023_06_26_1640_Linkage Mapper.txt
2023-06-26 17_27_06-CORE - ArcMap.png

John Gallo

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Jun 26, 2023, 12:11:52 PM6/26/23
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Hello Ritam,

Please try it with the latest version of the software: https://linkagemapper.org/Downloads/

If that does not fix, then please keep using it, and first question: amidst all of those tries, was the error the same?

And does the sample data / tutorial work fine on your machine?

Thanks,

John



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Ritam Dutta

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Jun 26, 2023, 1:25:57 PM6/26/23
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Thank you for your quick response. I have  used the latest 3.0.0.
The tutorial data runs fine, but I made core file like the tutorial and made a resistance surface from SDM. Can you please give some suggestions why I got this error?

John Gallo

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Jun 26, 2023, 1:32:09 PM6/26/23
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Hello Ritam,

Latest version is 3.1.  I'll reply directly to you and we can have a side thread and not ping the list too frequently. Lets try to remember to report back with the solution though.

Thanks,

John

John Gallo

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Jun 28, 2023, 3:15:09 PM6/28/23
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Hello LM Community and Future Queries of the Group,

A report back on the below is that we found the culprit! One of the core areas included a bit of area not included in the resistance surface.

Thanks to Ritam for timely and helpful responses in our dialog.

Thanks,

John
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