Title: Plugin causing critical issue
Last modified: May 18, 2022

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# Plugin causing critical issue

 *  Resolved [szch](https://wordpress.org/support/users/szch/)
 * (@szch)
 * [4 years ago](https://wordpress.org/support/topic/plugin-causing-critical-issue/)
 * Hello, as our website was experiencing some issues we ran a health check which
   yielded a critical issue:
 * The REST API request failed due to an error.
    Error: [] cURL error 28: Operation
   timed out after 10001 milliseconds with 0 bytes received
 * We deactivated all our plugins and the error disappeared. We reactivated all 
   our plugins one by one. When reactivation your plugin (booster free version) 
   the error popped back up. So it is clear that your plugin is causing this issue.
 * Can you please investigate why this is the case and help us solve this?
 * Please also note that your plugin severely slows down our website. When not active
   it loads significantly faster.
 * We are using the following modules:
    Coupon Code Generator Custom Emails Email
   Options Export My Account Product Bulk Meta Editor Product Input Fields Product
   Tabs SKU Stock Tax Display
 * Thank you in advance
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fplugin-causing-critical-issue%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [emmeten](https://wordpress.org/support/users/emmeten/)
 * (@emmeten)
 * [4 years ago](https://wordpress.org/support/topic/plugin-causing-critical-issue/#post-15673359)
 * Hello,
 * I’ve got the same issue as reported by [@szch](https://wordpress.org/support/users/szch/)
 * “A PHP session was created by a session_start() function call. This interferes
   with REST API and loopback requests. The session should be closed by session_write_close()
   before making any HTTP requests.”
 * I’ve deactivated all the plugins and the errors disappear. When activating the
   booster plugin the errors show up again.
 * Can you please check it?
 * Thank you very much
    Kind Regards Marco
 *  Plugin Contributor [David G](https://wordpress.org/support/users/gravid7/)
 * (@gravid7)
 * [4 years ago](https://wordpress.org/support/topic/plugin-causing-critical-issue/#post-15676137)
 * Hi [@szch](https://wordpress.org/support/users/szch/), [@emmeten](https://wordpress.org/support/users/emmeten/)
 * Please try the following steps.
 * 1) Go to Booster settings
    2) Go to “Emails and Misc” 3) Click on “Emails and
   Misc” –> “General” setting 4) Change “Session Type in Booster” to “WC Sessions”(
   it should have been set to “Standard PHP sessions”).
 * Let us know if you have further queries.
 *  [emmeten](https://wordpress.org/support/users/emmeten/)
 * (@emmeten)
 * [4 years ago](https://wordpress.org/support/topic/plugin-causing-critical-issue/#post-15676458)
 * Hi [@gravid7](https://wordpress.org/support/users/gravid7/)
 * thank you for your support. It works.
 * by the way, I’ve seen there’s the option to “Enable Read and Close parameter 
   on session_start(). “. It works as well.
 * Have a nice day
    Marco

Viewing 3 replies - 1 through 3 (of 3 total)

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## Tags

 * [critical issue](https://wordpress.org/support/topic-tag/critical-issue/)

 * 3 replies
 * 3 participants
 * Last reply from: [emmeten](https://wordpress.org/support/users/emmeten/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/plugin-causing-critical-issue/#post-15676458)
 * Status: resolved