Title: Cannot modify header information
Last modified: December 1, 2022

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# Cannot modify header information

 *  Resolved [tendenzechic](https://wordpress.org/support/users/tendenzeshabbychic/)
 * (@tendenzeshabbychic)
 * [3 years, 6 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-182/)
 * I’ve been getting the following error for a few days
 * PHP Warning: Cannot modify header information – headers already sent in
    wp-content/
   plugins/litespeed-cache/src/vary.cls.php on line 735

Viewing 1 replies (of 1 total)

 *  [usabe](https://wordpress.org/support/users/usabe/)
 * (@usabe)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-182/#post-16419313)
 * Hi [@tendenzeshabbychic](https://wordpress.org/support/users/tendenzeshabbychic/)
 * 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/cannot-modify-header-information-182/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 1 replies (of 1 total)

The topic ‘Cannot 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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 * [Unresolved Topics](https://wordpress.org/support/plugin/litespeed-cache/unresolved/)
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 * 1 reply
 * 2 participants
 * Last reply from: [usabe](https://wordpress.org/support/users/usabe/)
 * Last activity: [3 years, 4 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-182/#post-16419313)
 * Status: resolved