# We encountered an error. Please try again

**URL:** <https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891>\
**Category:** Courses and Workshops\
**Tags:** cuda\
**Created:** [December 29, 2025, 1:22am UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891 "2025-12-29T01:22:18Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dtati](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@dtati](https://forums.developer.nvidia.com/u/dtati)\
**Post date:** [December 29, 2025, 1:22am UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891/1 "2025-12-29T01:22:18Z")

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During the course  
-\*\*Fundamentals of Accelerated Computing with CUDA Python

In Lab2. -\*\* Custom CUDA Kernels in Python with Numba

I completed the lab and when click on assess task, it was loading and after some time giving the below error

We encountered an error. Please try again.

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**Author:** ![pohao](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@pohao](https://forums.developer.nvidia.com/u/pohao)\
**Post date:** [December 31, 2025, 5:15pm UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891/2 "2025-12-31T17:15:42Z")

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I encounter the same issue. It doesn’t even load.

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**Author:** ![TomNVIDIA](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/tomnvidia/32/14181_2.png) [@TomNVIDIA](https://forums.developer.nvidia.com/u/TomNVIDIA)\
**Post date:** [January 7, 2026, 3:30pm UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891/3 "2026-01-07T15:30:05Z")

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Hello,

Please open a case with the DLI team for assistance with this issue.

> [@Support for DLI Issues](https://forums.developer.nvidia.com/t/getting-support-for-dli-issues/345829):
>
> For DLI Course assistance, please visit the [DLI Support Page](https://www.nvidia.com/en-us/learn/training/support/) to open a support case. This ensures your request is directed to the appropriate team for timely and accurate support. When [submitting your case](https://enterprise-support.nvidia.com/s/create-case), please make sure to select the product type “NVIDIA Training and Certification”.

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**Author:** ![TomNVIDIA](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/tomnvidia/32/14181_2.png) [@TomNVIDIA](https://forums.developer.nvidia.com/u/TomNVIDIA)\
**Post date:** [January 13, 2026, 5:12pm UTC](https://forums.developer.nvidia.com/t/we-encountered-an-error-please-try-again/355891/4 "2026-01-13T17:12:26Z")

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Closed on January 13, 2026, 5:12pm UTC