Title: php error
Last modified: October 17, 2019

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# php error

 *  [baypress](https://wordpress.org/support/users/baypress/)
 * (@baypress)
 * [6 years, 7 months ago](https://wordpress.org/support/topic/php-error-348/)
 * Getting error messages when using Multiple Packages plugin
    Warning: Invalid 
   argument…. when items with different shipping classes in cart.
 * Thx
    Dave

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

 * ![](https://ps.w.org/multiple-packages-for-woocommerce/assets/icon-128x128.png?
   rev=1627990)
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 * 0 replies
 * 1 participant
 * Last reply from: [baypress](https://wordpress.org/support/users/baypress/)
 * Last activity: [6 years, 7 months ago](https://wordpress.org/support/topic/php-error-348/)
 * Status: not resolved