# Please ensure that you have an nd4j backend on your classpath. Please see: https://deeplearning4j.konduit.ai/nd4j/backend

**URL:** <https://community.konduit.ai/t/please-ensure-that-you-have-an-nd4j-backend-on-your-classpath-please-see-https-deeplearning4j-konduit-ai-nd4j-backend/2919>\
**Category:** ND4J\
**Created:** [November 29, 2023, 6:56am UTC](https://community.konduit.ai/t/please-ensure-that-you-have-an-nd4j-backend-on-your-classpath-please-see-https-deeplearning4j-konduit-ai-nd4j-backend/2919 "2023-11-29T06:56:40Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![csbp](https://avatars.discourse-cdn.com/v4/letter/c/49beb7/32.png) [@csbp](https://community.konduit.ai/u/csbp)\
**Post date:** [November 29, 2023, 6:56am UTC](https://community.konduit.ai/t/please-ensure-that-you-have-an-nd4j-backend-on-your-classpath-please-see-https-deeplearning4j-konduit-ai-nd4j-backend/2919/1 "2023-11-29T06:56:40Z")

</div>

![2EB42FB9-9EB1-4cbe-8CB7-38CF2FA42D36](https://canada1.discourse-cdn.com/flex035/uploads/konduit/original/2X/b/b9834f102eae16259408beb73389ff63206d3f86.png)  
 ![Dingtalk_20231127173744](https://canada1.discourse-cdn.com/flex035/uploads/konduit/original/2X/6/660f9cbeb84342ea7adb028568e91fdbad081776.jpeg)  
Why are errors still reported when cuda versions are consistent