Title: Error messages while using Woocommerce
Last modified: August 21, 2016

---

# Error messages while using Woocommerce

 *  [Yasp0](https://wordpress.org/support/users/yasp0/)
 * (@yasp0)
 * [12 years, 12 months ago](https://wordpress.org/support/topic/error-messages-while-using-woocommerce/)
 * I get the following error message in the bottom of the dashboard. They appear
   when editing a page, post or product.
 * > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/x/domains/x.nl/public_html/wp-content/plugins/simplr-registration-
   > form/simplr_reg_options.php:1) in /home/pvge/domains/pvemmen.nl/public_html/
   > wp-content/plugins/woocommerce/classes/class-wc-session-handler.php on line
   > 63
 * With debug mode on I see the following messages on top of the dashboard, maybe
   it’s related?
 * > Notice: Undefined index: view_inactive in /home/x/domains/x.nl/public_html/
   > wp-content/plugins/simplr-registration-form/lib/mod.php on line 28
 * > Notice: Trying to get property of non-object in /home/x/domains/x.nl/public_html/
   > wp-content/plugins/simplr-registration-form/simplr_reg_page.php on line 892
 * I also get an extra error while activating the plugin ‘Woocommerce Bulk pricing
 * > Warning: session_start() [function.session-start]: Cannot send session cache
   > limiter – headers already sent (output started at /home/x/domains/x.nl/public_html/
   > wp-content/plugins/simplr-registration-form/simplr_reg_options.php:1) in /home/
   > pvge/domains/pvemmen.nl/public_html/wp-content/plugins/woocommerce-bulk-pricing/
   > classes/wc_bulk_pricing.class.php on line 24

The topic ‘Error messages while using Woocommerce’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/simplr-registration-form_be8c38.svg)
 * [Simplr Registration Form Plus+](https://wordpress.org/plugins/simplr-registration-form/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/simplr-registration-form/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/simplr-registration-form/)
 * [Active Topics](https://wordpress.org/support/plugin/simplr-registration-form/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/simplr-registration-form/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/simplr-registration-form/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [Yasp0](https://wordpress.org/support/users/yasp0/)
 * Last activity: [12 years, 12 months ago](https://wordpress.org/support/topic/error-messages-while-using-woocommerce/)
 * Status: not resolved