Title: Header Information Error
Last modified: August 17, 2020

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# Header Information Error

 *  Resolved [Jill Caren](https://wordpress.org/support/users/jcarenoptonlinenet/)
 * (@jcarenoptonlinenet)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/)
 * Getting PHP warnings as follows – cannot find any information that this is happening
   to anyone else so trying to see if there is an easy fix to prevent this?
 * `[17-Aug-2020 19:17:15 UTC] PHP Warning: Cannot modify header information - headers
   already sent by (output started at /home/xxx/public_html/wp-includes/embed.php:
   753) in /home/xxx/public_html/wp-content/plugins/optinmonster/OMAPI/RestApi.php
   on line 138`
    -  This topic was modified 5 years, 9 months ago by [Jill Caren](https://wordpress.org/support/users/jcarenoptonlinenet/).

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Thread Starter [Jill Caren](https://wordpress.org/support/users/jcarenoptonlinenet/)
 * (@jcarenoptonlinenet)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/#post-13271157)
 * Sorry – the client did not update their list! All is good now.
 *  Plugin Author [Angie Meeker](https://wordpress.org/support/users/ameeker/)
 * (@ameeker)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/#post-13271329)
 * Hi Jill,
 * Thanks so much for reaching out – I’m so glad that updating your plugins resolved
   this issue for you. I’m going to go ahead and close this along with your support
   ticket since both have been resolved, but if you need us again in the future,
   please don’t hesitate to reach out again.
 * Have a great day!
 * Angie Meeker
    Customer Success Manager
 *  Thread Starter [Jill Caren](https://wordpress.org/support/users/jcarenoptonlinenet/)
 * (@jcarenoptonlinenet)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/#post-13274221)
 * Hi Angie – actually I lied, the error is back this morning! Do I need to have
   the client reopen the ticket – or can you guys do it?
 *  Plugin Author [Angie Meeker](https://wordpress.org/support/users/ameeker/)
 * (@ameeker)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/#post-13277972)
 * Hi Jill,
 * I can reopen it for you and escalate to our dev team right now. They’ll follow
   up again as soon as they have more information to share.
 * Thank you,
 * Angie

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Header Information Error’ is closed to new replies.

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## Tags

 * [headers already sent](https://wordpress.org/support/topic-tag/headers-already-sent/)

 * 4 replies
 * 2 participants
 * Last reply from: [Angie Meeker](https://wordpress.org/support/users/ameeker/)
 * Last activity: [5 years, 9 months ago](https://wordpress.org/support/topic/header-information-error-2/#post-13277972)
 * Status: resolved