# I am getting "MediaReaderH264.open: Error parsing file format \[MP4\]"  error. what might be the issue?

**URL:** <https://community.wowza.com/t/i-am-getting-mediareaderh264-open-error-parsing-file-format-mp4-error-what-might-be-the-issue/50625>\
**Category:** Wowza Streaming Engine\
**Created:** [January 22, 2018, 12:20pm UTC](https://community.wowza.com/t/i-am-getting-mediareaderh264-open-error-parsing-file-format-mp4-error-what-might-be-the-issue/50625 "2018-01-22T12:20:34Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![selva\_sk](https://avatars.discourse-cdn.com/v4/letter/s/8797f3/32.png) [@selva\_sk](https://community.wowza.com/u/selva_sk)\
**Post date:** [January 22, 2018, 12:20pm UTC](https://community.wowza.com/t/i-am-getting-mediareaderh264-open-error-parsing-file-format-mp4-error-what-might-be-the-issue/50625/1 "2018-01-22T12:20:34Z")

</div>

Missing title. Missing body.

---

<div class="post-metadata">

**Author:** ![Suporte\_Campa](https://avatars.discourse-cdn.com/v4/letter/s/7993a0/32.png) [@Suporte\_Campa](https://community.wowza.com/u/Suporte_Campa)\
**Post date:** [May 23, 2018, 12:57pm UTC](https://community.wowza.com/t/i-am-getting-mediareaderh264-open-error-parsing-file-format-mp4-error-what-might-be-the-issue/50625/2 "2018-05-23T12:57:02Z")

</div>

Today I am getting the same error message… Maybe there is something about the MP4 file creation or conversion… anyone knows what is happening?

The output error log from Wowza is:

WARN server comment 2018-05-23 08:58:03 - - - - - 1489759.368 - - - - - - - videos\_subdir/name\_of\_file.mp4 MediaReaderH264.open: Error parsing file format [MP4]

---

<div class="post-metadata">

**Author:** ![Suporte\_Campa](https://avatars.discourse-cdn.com/v4/letter/s/7993a0/32.png) [@Suporte\_Campa](https://community.wowza.com/u/Suporte_Campa)\
**Post date:** [May 23, 2018, 1:16pm UTC](https://community.wowza.com/t/i-am-getting-mediareaderh264-open-error-parsing-file-format-mp4-error-what-might-be-the-issue/50625/3 "2018-05-23T13:16:21Z")

</div>

I could not add a comment in my own answer with MP4 file info, so I’m doing it here:

Complete name : name\_of\_the\_file.mp4 Format : MPEG-4 Format profile : Base Media / Version 2 Codec ID : mp42 (isom/mp42) File size : 42.4 KiB Duration : 8 min 50 s Overall bit rate mode : Variable Overall bit rate : 654 b/s IsTruncated : Yes Video Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L3.1 Format settings : CABAC / 3 Ref Frames Format settings, CABAC : Yes Codec ID : avc1 Duration : 8 min 50 s Bit rate mode : Variable Bit rate : 132 kb/s Width : 1 280 pixels Height : 652 pixels Display aspect ratio : 1.963 Frame rate : 30.000 FPS