# Wowza TTML SMIL ttmlMaxFileLength error

**URL:** https://community.wowza.com/t/wowza-ttml-smil-ttmlmaxfilelength-error/52750
**Category:** Wowza Streaming Engine
**Created:** [January 25, 2019, 4:34pm UTC](https://community.wowza.com/t/wowza-ttml-smil-ttmlmaxfilelength-error/52750 "2019-01-25T16:34:45Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Ankit\_Gaur](https://avatars.discourse-cdn.com/v4/letter/a/dec6dc/32.png) [@Ankit\_Gaur](https://community.wowza.com/u/Ankit_Gaur)
#### Post date: [January 25, 2019, 4:34pm UTC](https://community.wowza.com/t/wowza-ttml-smil-ttmlmaxfilelength-error/52750/1 "2019-01-25T16:34:45Z")

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We are providing the subtitles in HLS stream via TTML files and are using SMIL’s to create M3U8’s. Subtitles work fine but or some videos captions do not appear.

we have used this article:

[https://www.wowza.com/docs/how-to-stream-webvtt-subtitles-to-ios-for-closed-captioning](https://www.wowza.com/docs/how-to-stream-webvtt-subtitles-to-ios-for-closed-captioning)

Please find the error logs:

cat /usr/local/WowzaStreamingEngine/logs/wowzastreamingengine\_error.log | grep ttmlMaxFileLengthWARN server comment 2019-01-25 18:39:53 - - - - - 579378.41 - - - - - - - -TimedTextReaderTTML.hasValidContents[vod/_definst_:vod/51/98/8493bbd0ae5f11e78b4551a8b8dbe7c2.ttml]: file is larger than ttmlMaxFileLength: 1200080\>1048576WARN server comment 2019-01-25 19:07:10 - - - - - 581014.687 - - - - - - - -TimedTextReaderTTML.hasValidContents[vod/_definst_:vod/51/98/8493bbd0ae5f11e78

Thanks in advance.