WooThemes Wishlist Member WooCommerce Extension Error

WooThemes Wishlist Member WooCommerce Extension Error



I’m having issues setting up WooCommerce and the Wishlist Member Integration Extension from WooThemes.

I’m using PayPal Advanced via the PayPal Advanced extension (also from WooThemes).

I’m also using the Genesis Framework and the Agency child theme.

I’ve read all the documentation for each extension and believe I have set things up correctly, but I can’t get things to work. So, there’s a good chance that I don’t have things set up correctly.

The issue I’m currently struggling with is as following. I can get to the point of checking out. I add my credit card data via the PayPal Advanced screen. When I click the button to process the order, I get the following error message:

Fatal error: Call to undefined function wlmapi_update_member() in /home/cdonohue/public_html/wp-content/plugins/woocommerce-wishlist-member/woocommerce_wishlist.php on line 311.

My credit card does get charged and the payment does show up in my PayPal account. There is no contact made with Wishlist Member, though. No new members ever show up and I’m never redirected beyond the error message noted above.

If anyone has seen this before, I could sure use some guidance. Thanks!



The error you are experiencing informs you that plugin tries to call a function that does not exist on you WordPress installation.

There are a few reasons that may cause this problem, the most common ones are:

  1. The online store website does not have Wishlist Member installed & activated and therefore the plugin can not find a internal Wishlist Member function.
  2. You are have entered and API key and a URL of an external website but you didn’t check the settings that will set the plugin to use external API calls and the plugin try to call the internal Wishlist Member API.

If you are interested I would suggest you to check a much better plugin for integrating Wishlist Member & WooCommerce.

The plugin is called Wishlist Member WooCommerce Plus.

Wishlist Member WooCommerce Plus has more features and you don’t need to setup unnecessary fields like the API key or  the website URL, all settings are done automatically.

Also Wishlist Member WooCommerce Plus includes a 1-Click dashboard to create membership products automatically, and if you want to sell external membership products through your WooCommerce online store you can do it very easily with the External Membership Sites Add-Ons Bundle that was developed especially for Wishlist Member WooCommerce Plus plugin.

Wishlist Member WooCommerce Plus was designed from scratch while putting you and your business in the front to create a plugin that is much easier to use and works much faster than any other existing Wishlist Member WooCommerce integration.

To find out more about Wishlist Member WooCommerce plus check the following resources:


Wishlist Member WooCommerce Plus Plugin

External Membership Sites Add-Ons Bundle

Wishlist Member WooCommerce Plus Manual 

About Bob Tolbert

User of Wishlist Member starting from the early versions, developed many membership websites for clients. My specialty is coding and special projects and tasks. I love wind surfing and long walks. Bob is also the development department manager at HappyPlugins.com | Plugins & Guides for eCommerce Websites

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