Title: Can’t modify header information
Last modified: November 26, 2022

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# Can’t modify header information

 *  Resolved [bharti18](https://wordpress.org/support/users/bharti18/)
 * (@bharti18)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/cant-modify-header-information-2/)
 * Hello,
    I’m using litespeed cache plugin. I activates domain key too. When I 
   make changes on settings, It’s working for Desktop version. But in Mobile version
   its not working ( I mean In mobile version, I’m not getting proper header and
   my whatsapp chat buttons.) If I deactivate this plugin, It’s working properly
   on Both version. But I need this to Work. I got one error, Please check it that
   and please help me to do this.
 * Error:
    Can’t modify header information – header already sent(line 672, wp-content/
   plugin/litespeed-cache/src/core.cls.php)
 * Thank you.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/)
 * (@qtwrk)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/cant-modify-header-information-2/#post-16237687)
 * please provide the report number
 * you can get it in toolbox -> report -> click “send to LiteSpeed”
 *  [usabe](https://wordpress.org/support/users/usabe/)
 * (@usabe)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/cant-modify-header-information-2/#post-16419323)
 * Hi [@bharti18](https://wordpress.org/support/users/bharti18/)
 * Due to inactivity of this topic, I will mark this topic as “resolved”. If you
   still have such issues, please feel free to open a ticket with further information
   by emailing to [support@litespeedtech.com](https://wordpress.org/support/topic/cant-modify-header-information-2/support@litespeedtech.com?output_format=md).
   Remember to reference this topic and ask to assign your ticket to Abe. I will
   check into this further from there.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Can’t modify header information’ is closed to new replies.

 * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181)
 * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/)
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 * 2 replies
 * 3 participants
 * Last reply from: [usabe](https://wordpress.org/support/users/usabe/)
 * Last activity: [3 years, 3 months ago](https://wordpress.org/support/topic/cant-modify-header-information-2/#post-16419323)
 * Status: resolved