# Error of cross section

**URL:** <https://openmc.discourse.group/t/error-of-cross-section/101>\
**Category:** User Support\
**Created:** [August 31, 2014, 2:06pm UTC](https://openmc.discourse.group/t/error-of-cross-section/101 "2014-08-31T14:06:49Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Darpan\_S](https://avatars.discourse-cdn.com/v4/letter/d/59ef9b/32.png) [@Darpan\_S](https://openmc.discourse.group/u/Darpan_S)\
**Post date:** [August 31, 2014, 2:06pm UTC](https://openmc.discourse.group/t/error-of-cross-section/101/1 "2014-08-31T14:06:49Z")

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Hello Friends,  
I have below error on runing test\_lattice . Please give me solution.

thanks.

Reading settings XML file…  
Reading cross sections XML file…  
Reading geometry XML file…  
Reading materials XML file…  
Building neighboring cells lists for each surface…  
Loading ACE cross section table: 94239.71c  
ERROR: XS listing entry 94239.71c did not match ACE data, 94239.72c found  
instead.  
ERROR STOP

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**Author:** ![Darpan\_S](https://avatars.discourse-cdn.com/v4/letter/d/59ef9b/32.png) [@Darpan\_S](https://openmc.discourse.group/u/Darpan_S)\
**Post date:** [August 31, 2014, 2:12pm UTC](https://openmc.discourse.group/t/error-of-cross-section/101/2 "2014-08-31T14:12:37Z")

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I have JEFF 300K ACE data.

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**Author:** ![Adam\_Nelson](https://avatars.discourse-cdn.com/v4/letter/a/8edcca/32.png) [@Adam\_Nelson](https://openmc.discourse.group/u/Adam_Nelson)\
**Post date:** [September 12, 2014, 12:42pm UTC](https://openmc.discourse.group/t/error-of-cross-section/101/3 "2014-09-12T12:42:03Z")

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Is this still an issue? I know you have been working on your cross\_sections.xml file from other posts.

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**Author:** ![Darpan\_S](https://avatars.discourse-cdn.com/v4/letter/d/59ef9b/32.png) [@Darpan\_S](https://openmc.discourse.group/u/Darpan_S)\
**Post date:** [September 14, 2014, 9:19am UTC](https://openmc.discourse.group/t/error-of-cross-section/101/4 "2014-09-14T09:19:19Z")

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Nop.  
I have understood from other post.

Thank you Adam.