Title: Cannot modify header information
Last modified: September 28, 2017

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# Cannot modify header information

 *  [johnashleynohay](https://wordpress.org/support/users/johnashleynohay/)
 * (@johnashleynohay)
 * [8 years, 8 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-137/)
 * Im having an issue with my signup and register form. After I update your plugin
   WooCommerce Loging/Signup to 1.5.7 I start having issues.
 * Warning: Cannot modify header information – headers already sent by (output started
   at C:\workspace\staging-designsligna\wp-includes\class.wp-styles.php:237) in 
   C:\workspace\staging-designsligna\wp-includes\pluggable.php on line 1210
 * Warning: Missing argument 2 for wc_maybe_store_user_agent() in C:\workspace\staging-
   designsligna\wp-content\plugins\woocommerce\includes\wc-core-functions.php on
   line 1551
 * It would be a great help if you can help me asap.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fcannot-modify-header-information-137%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

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## Tags

 * [Cannot modify header information](https://wordpress.org/support/topic-tag/cannot-modify-header-information/)

 * 0 replies
 * 1 participant
 * Last reply from: [johnashleynohay](https://wordpress.org/support/users/johnashleynohay/)
 * Last activity: [8 years, 8 months ago](https://wordpress.org/support/topic/cannot-modify-header-information-137/)
 * Status: not resolved