Title: Gutenberg Blocks error
Last modified: April 10, 2020

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# Gutenberg Blocks error

 *  Resolved [Studio PeetR](https://wordpress.org/support/users/studio-peetr/)
 * (@studio-peetr)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/gutenberg-blocks-error/)
 * LS,
 * When I activate “Live Chat Box” in a Gutenberg Block, I get the following error
   message:
    Warning: session_start(): Cannot start session when headers already
   sent in /Applications/XAMPP/xamppfiles/apps/upfrog/htdocs/wp-content/plugins/
   wp-live-chat-support/functions.php on line 4473 Eventhough the Chat Box appears
   in the chosen block.
 * Please help me out with this one.
 * Kind regards,
    Peter
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fgutenberg-blocks-error%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Plugin Author [wp3cx](https://wordpress.org/support/users/wp3cx/)
 * (@wp3cx)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/gutenberg-blocks-error/#post-12666516)
 * Hi [@studio-peetr](https://wordpress.org/support/users/studio-peetr/) ,
 * Currently the easiest way to deal with this is to disable the WP debug mode (
   if it’s enabled) or prevent PHP from outputting errors by disabling error reporting.
 *  Thread Starter [Studio PeetR](https://wordpress.org/support/users/studio-peetr/)
 * (@studio-peetr)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/gutenberg-blocks-error/#post-12671620)
 * Hi [@wp3cx](https://wordpress.org/support/users/wp3cx/),
 * Thank you for the reply.
    For now I disabled the error output. But I understand
   that this is a known issue which you are working on?
 * Kind regards,
    Peter

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

 The topic ‘Gutenberg Blocks error’ is closed to new replies.

 * ![](https://ps.w.org/wp-live-chat-support/assets/icon-256x256.png?rev=2405258)
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## Tags

 * [gutenberg block](https://wordpress.org/support/topic-tag/gutenberg-block/)

 * 2 replies
 * 2 participants
 * Last reply from: [Studio PeetR](https://wordpress.org/support/users/studio-peetr/)
 * Last activity: [6 years, 6 months ago](https://wordpress.org/support/topic/gutenberg-blocks-error/#post-12671620)
 * Status: resolved