Title: Warning error
Last modified: October 24, 2019

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# Warning error

 *  [Alejandro Gil Mialdea](https://wordpress.org/support/users/aekschoko/)
 * (@aekschoko)
 * [6 years, 7 months ago](https://wordpress.org/support/topic/warning-error-52/)
 * I get this warning occasionally on the shopping cart page:
 * Warning: A non-numeric value encountered in /public_html/wp-content/plugins/mail-
   boxes-etc/lib/Model/Carrier.php on line 338
 * Note: In our case, the cart page and checkout are linked together using both 
   shortcodes on the same page.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-error-52%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘Warning error’ is closed to new replies.

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## Tags

 * [cart](https://wordpress.org/support/topic-tag/cart/)
 * [warning](https://wordpress.org/support/topic-tag/warning/)

 * 0 replies
 * 1 participant
 * Last reply from: [Alejandro Gil Mialdea](https://wordpress.org/support/users/aekschoko/)
 * Last activity: [6 years, 7 months ago](https://wordpress.org/support/topic/warning-error-52/)
 * Status: not resolved