# SDR 3.5.0 model

**URL:** <https://community.naturalcapitalalliance.org/t/sdr-3-5-0-model/262>\
**Category:** Software Support\
**Tags:** sdr\
**Created:** [June 26, 2019, 10:05am UTC](https://community.naturalcapitalalliance.org/t/sdr-3-5-0-model/262 "2019-06-26T10:05:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sunethrasum](https://avatars.discourse-cdn.com/v4/letter/s/73ab20/32.png) [@sunethrasum](https://community.naturalcapitalalliance.org/u/sunethrasum)\
**Post date:** [June 26, 2019, 10:05am UTC](https://community.naturalcapitalalliance.org/t/sdr-3-5-0-model/262/1 "2019-06-26T10:05:23Z")

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Dear sir,

Please see our current problem and guide us to solve.

 ![Untitled](https://canada1.discourse-cdn.com/flex031/uploads/naturalcapitalproject/original/1X/c2b81ec24a5fa9013edb5fbd1f203016a28fa3a2.png)

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**Author:** ![swolny](https://yyz1.discourse-cdn.com/flex031/user_avatar/community.naturalcapitalalliance.org/swolny/32/181_2.png) [@swolny](https://community.naturalcapitalalliance.org/u/swolny)\
**Post date:** [June 26, 2019, 1:46pm UTC](https://community.naturalcapitalalliance.org/t/sdr-3-5-0-model/262/2 "2019-06-26T13:46:10Z")

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Hi @sunethrasum -

The error message says “lucode expected” in biophytable.csv. Looking at the [User Guide Data Needs section for SDR](http://releases.naturalcapitalproject.org/invest-userguide/latest/sdr.html#data-needs), a column named “lucode” is required (as is “usle\_c” and “usle\_p”). Please check your biophysical table to make sure you have all of the required column names.

Also, when you get an error from the model, please post the whole log file (.txt) that the model produces. It has more information that might be useful for us to help debug. Thanks!

~ Stacie