# Carbon model ValueError

**URL:** <https://community.naturalcapitalalliance.org/t/carbon-model-valueerror/23>\
**Category:** Software Support\
**Tags:** carbon\
**Created:** [April 12, 2019, 2:45pm UTC](https://community.naturalcapitalalliance.org/t/carbon-model-valueerror/23 "2019-04-12T14:45:26Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![dave](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.naturalcapitalalliance.org/dave/32/70_2.png) [@dave](https://community.naturalcapitalalliance.org/u/dave)\
**Post date:** [August 7, 2019, 11:10pm UTC](https://community.naturalcapitalalliance.org/t/carbon-model-valueerror/23/3 "2019-08-07T23:10:06Z")

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Yes, please see the response to this same issue over here:

> [@Carbon model ValueError in 'value\_map'](https://community.naturalcapitalalliance.org/t/carbon-model-valueerror-with-redd-scenario-invest-3-7-0-x86/225):
>
> Dear all, I ran Carbon model with REDD scenario\_ InVEST\_3.7, I got the error below. Could someone kindly help point out what am doing wrong & how I can fix it. Thanks for your help. #error The following 15 raster values [-3.4000000e+38 0.0000000e+00 2.6245880e-14 2.6245883e-14 1.5274328e-07 1.5274331e-07 1.7182995e-07 1.7182998e-07 1.7183001e-07 2.4820164e-07 3.2457325e-07 3.2457328e-07 9.9999970e-01 9.9999976e-01 9.9999982e-01] from “C:/Investdata/Carbon/Carbon\_classproject/UTM…

Since the value missing from your CSV table is -128, the part about setting the `nodata` value of your raster may be especially relevant.

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