WordPress plugins help make sites engaging and results-driven. If you manage a WooCommerce site, the importance of such plugins grows even further. However, they can be devastating if they conflict with other plugins due to incompatibility, insufficient PHP memory, old WordPress versions, and other issues.
WordPress users frequently face the Plugin could not be activated because it triggered a fatal error when activating the new plugins. To solve this irritating error, we have created an exclusive blog post explaining the possible reasons and solutions related to the Plugin could not be activated because it triggered a fatal error.
Without further ado, let’s start!
Reasons Behind the Plugin Could Not Be Activated Because It Triggered a Fatal Error
Various reasons can cause the WordPress plugin activation error, including:
- Different plugins are conflicting (this is a common error).
- The plugin installation file is corrupted.
- The PHP version is outdated.
- The current WordPress version is incompatible, while Plugin only supports the new WordPress version.
- The plugin file is infected with a virus.
- The plugin version is unsupported.
- You may have changed a few details in the plugin file when downloading.
Once you understand the potential reasons for the WordPress plugin activation error, you will likely resolve it without fuss. Thus, you can correctly analyze the issue and use various possible solutions.
How to Fix Plugin Could Not Be Activated Because It Triggered a Fatal Error?
When fixing the Plugin could not be activated because it triggered a fatal error, you can try a few possible solutions, including:
- Install the Latest Windows Version.
- Deactivate WordPress Plugins.
- Increase the PHP Memory Limit.
- Manually Install the Plugin.
Install the Latest Windows Version
If you have not installed the latest version of WordPress, WordPress 6.7, or have not updated the old version to the new one, be prepared to face the Plugin could not be activated because it triggered a fatal error. Old or outdated versions can conflict with plugins due to incompatibility. Consequently, users will likely experience the WordPress plugin activation error.
In this situation, you have no option but to update to the latest version. To do so, navigate to Dashboard > Updates. The good thing about WordPress’s newest versions is that they offer much-needed software updates comprising new features, security patches, and bug fixes.
When you start running your website on the latest WordPress version, you may not experience the WordPress plugin activation error.
Deactivate WordPress Plugins
Deactivating WordPress plugins helps you overcome the Plugin could not be activated because it triggered a fatal error. To deactivate WordPress plugins, here is what you should do:
- Using your WordPress admin dashboard, click the Plugins tab > Installed Plugins.
- Choose the plugin you want to disable or deactivate. Once you have chosen your preferred plugins, select the Deactivate option following the Bulk actions tab and click Apply. That’s it.
After following the above solution, check if the Plugin could not be activated because it triggered a fatal error has disappeared. You can deactivate WordPress plugins to remove the ‘409 Conflict’ error. The same solution also lets you bypass the 404 Not Found error.
Increase the PHP Memory Limit
You can increase the current PHP memory limit to bypass the WordPress fatal error caused by plugin error. To increase the PHP memory limit, you should follow the below steps:
- Use the FTP client to find and open the .htaccess file of your site.
- Now, include the below line to your .htaccess WordPress file and describe your preferred memory limit. The hosting package mentions the memory limit.
php_value memory_limit 128M
- You can replace 128 M with the desired value in the above line, depending on your requirements.
Save all the changes you have made to the WordPress .htaccess file. Once you save all the changes to this configuration file, upload it to the server. As a result, you can increase the PHP memory limit.
Increasing the PHP memory limit allows users to bypass the White Screen of Death (WsoD) error. Furthermore, the same troubleshooting method helps them eliminate WordPress’s missed schedule post error.
Manually Install the Plugin
To bypass the WordPress fatal error caused by the plugin, consider installing the plugin manually. To do this, follow the below steps:
- Download the plugin from the WordPress.org plugin directory.
- You must use the search bar to find the plugin on the WordPress.org repository. You will also see a download button on the plugin’s page.
- Through your WordPress admin dashboard, go to Plugins > Add New. Additionally, you will see a search box alongside the Upload Plugin button.
- Now, click the Upload Plugin button. A new section will appear with a choose file button. Click it, locate the .zip file on your device, and click the Install Now button.
- Once you have uploaded and installed the plugin, activate it by clicking the Activate button. The installed plugin will appear in your plugin list.
You can manually install the plugin by following the above steps. Similarly, you can update the installed WordPress plugins manually by exploring this informative guide.
Other WordPress Errors Users Must Know
Apart from the Plugin could not be activated because it triggered a fatal error, users need to comprehend other frustrating errors, such as:
- WordPress memory exhausted error
- WordPress max_execution_time fatal error
- 404 not found error in WordPress
- 405 not allowed error in WordPress
- 403 forbidden error in WordPress
- Can’t login to the WordPress admin dashboard error
- 406 not acceptable error
Do You Need Professional Help?
As a reliable web development and digital marketing firm, WPExperts offers top-notch WordPress website maintenance services to businesses worldwide, according to their diverse needs or demands.
By doing so, businesses can proactively resolve the Plugin could not be activated because it triggered a fatal error.
Wrapping Up
We hope you liked our blog post that allows you to fix the ‘Plugin could not be activated because it triggered a fatal error.’ As the name indicates, the WordPress fatal error caused by the plugin issue may arise due to the corrupt plugin file. Corrupt files aside, conflict among different plugins can also cause this WordPress fatal error.
Therefore, properly follow the above troubleshooting methods to avoid facing this annoying error in the future. Hopefully, you will activate your desired WordPress plugin and begin using it hassle-free.
