# Media decode error (mp4a.40.2, avc1.4D401F)

**URL:** <https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818>\
**Category:** Wowza Streaming Engine\
**Created:** [September 14, 2021, 4:39pm UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818 "2021-09-14T16:39:13Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Scott\_Caster](https://avatars.discourse-cdn.com/v4/letter/s/94ad74/32.png) [@Scott\_Caster](https://community.wowza.com/u/Scott_Caster)\
**Post date:** [September 14, 2021, 4:39pm UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818/1 "2021-09-14T16:39:13Z")

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Any ideas on what is causing this? Happens in Chrome on Mac and Win.Safari works fine. Just started happening. I’m on a Newtek MediaDS.

 ![Screen Shot 2021-09-14 at 9.33.32 AM](https://us1.discourse-cdn.com/flex002/uploads/wowza1/original/1X/1584c07f1a495133926fc624fbda381f6b7fed48.png)

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**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [September 15, 2021, 8:17pm UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818/2 "2021-09-15T20:17:23Z")

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What version of Engine is this? Are you using Beamr in 4.8.13 or 4.8.14?

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**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [September 15, 2021, 8:22pm UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818/3 "2021-09-15T20:22:46Z")

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Please send a support ticket so we can assist and attempt to troubleshoot.

 ![Screen Shot 2021-09-15 at 2.21.11 PM](https://us1.discourse-cdn.com/flex002/uploads/wowza1/original/1X/607ee28f49a41ce8eed2691bba7c2d720f8e48c0.png)

  

> **[Known issues with Wowza Streaming Engine](https://www.wowza.com/docs/known-issues-with-wowza-streaming-engine)**
>
> View open and resolved known issues with Wowza Streaming Engine and, when possible, recommended solutions.

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<div class="post-metadata">

**Author:** ![Scott\_Caster](https://avatars.discourse-cdn.com/v4/letter/s/94ad74/32.png) [@Scott\_Caster](https://community.wowza.com/u/Scott_Caster)\
**Post date:** [September 16, 2021, 11:23am UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818/4 "2021-09-16T11:23:38Z")

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I’m actually on 4.7.1

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<div class="post-metadata">

**Author:** ![James\_Talmage](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/james_talmage/32/912_2.png) [@James\_Talmage](https://community.wowza.com/u/James_Talmage)\
**Post date:** [September 16, 2021, 5:57pm UTC](https://community.wowza.com/t/media-decode-error-mp4a-40-2-avc1-4d401f/93818/5 "2021-09-16T17:57:25Z")

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I’ve developed a solution to this. Specific to the Newtek MediaDS.

If anyone is using the auto-generated web pages on the Newtek MediaDS, you can contact me via email (james dot talmage at jrtechnical dot com).

(@Scott_Caster I think we’ve already taken care of you through ALS, but if you’re not the same Scott, get in contact).