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My site works very slow and it's impossible to start editing in Elementor. The issue I've found, that I'm not sure if it's causing is:

MESSAGE TYPE: (Javascript) TypeError
PROBLEM DESCRIPTION: t.trigger is not a function
SCRIPT NAME: jquery.blockUI.min.js
LINE: 14
SCRIPT LOCATION: https://selmaacademy.com/wp-content/plugins/woocommerce/assets/js/jquery-blockui
PLUGIN NAME: woocommerce

I cannot deactivate this plugin to check if this is causing the issues and I'm not sure how to fix this error by myself. Do you have any reccomendations for me?

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Troubleshooting: t.trigger is not a function Error

This error typically occurs due to jQuery conflicts or loading issues in WordPress. Here's a comprehensive guide to diagnose and fix the problem.

Potential Causes & Solutions

1. jQuery Version or Loading Conflict

  • Sometimes older themes or plugins can load outdated jQuery or override the default WordPress jQuery
  • Check if your theme or another plugin is re-registering or dequeuing jQuery
  • Ensure jQuery is loaded properly before any script that uses t.trigger

2. Caching / Minification Plugins

  • If you're using plugins like WP Rocket, W3 Total Cache, or any minification tool:
    • Try excluding jquery.blockUI.min.js from being combined or minified
    • Clear the cache and check if the error persists

3. Conflicts With Other Plugins

Even if you "cannot" deactivate WooCommerce, you could:

  • Temporarily deactivate or test on a staging site if possible
  • Disable other plugins one by one on a staging environment to identify the conflict

4. Check for a Theme-Specific Issue

  • Switch temporarily to a default WordPress theme (e.g., Twenty Twenty-Three) on a staging environment
  • If the error disappears, the conflict might be in your theme's scripts

5. Elementor Incompatibility

  • Ensure both WooCommerce and Elementor are fully up-to-date
  • Check Elementor's system info to see if it flags any known conflicts

6. Look for JavaScript Console Errors

  • The t.trigger is not a function error can be a symptom of a deeper issue
  • There might be a script that redefines or wraps jQuery incorrectly
  • Open your browser's dev tools > Console tab to look for other errors that appear before or after this one

Quick Troubleshooting Steps

  1. Disable Minification (on a staging site) to see if that helps

  2. Turn off or rollback recent updates to see if the conflict disappears

  3. Enable SCRIPT_DEBUG in wp-config.php to force WordPress to load non-minified scripts:

    define('SCRIPT_DEBUG', true);

    This can give you a more verbose stack trace in the Console.

  4. Update Everything:

    • WordPress core
    • WooCommerce
    • Elementor
    • Theme
    • Other active plugins

Summary

  • The error t.trigger is not a function typically indicates a jQuery loading conflict or script misconfiguration
  • If you can't disable WooCommerce, use a staging or local environment for conflict testing
  • Key areas to check:
    • Caching/minification settings
    • Component updates
    • Plugin/theme jQuery overrides

By methodically isolating the conflict—usually via a staging site—and checking your minification/caching settings, you should be able to resolve (or at least identify) the root cause of the issue.

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  • Please note that this looks suspiciously like AI-Generated content. If this is the case, we do have policies in place in which you must disclose it's usage and reference which AI was used. Commented Feb 6 at 18:07

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