WordPress is one of the most popular content management systems and website builders. The ease of use is extremely high thanks to the hundreds of free themes to start the website-building process.
However, WordPress isn’t perfect and random bugs and glitches keep popping up from time to time. In this article, we’re talking about “WP error: could not insert the attachment into the database”, its causes and what you can do to fix the error.
What causes this error?
The error is often accompanied by an inability to add new posts and pages to your website. The main reason behind this is an incorrectly configured increment value that determines the number of posts in the database table for WordPress.
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How to fix this?
Here are three fixes you can try out.
Try a shorter file name
If the error happens when you’re trying to upload a file to the Media Library, try shorting the file name, as WordPress doesn’t play well with longer file names.
Increase the post-increment value
Increasing the number of values allowed in the post table can help fix this error. You will have to access your WordPress database using PHPMyAdmin or another MySQL management program, find the _posts table and set the AUTO_INCREMENT value to 9999.
Keep in mind that accessing the MySQL database will be slightly different based on whether your website is hosted online with cPanel or some other backend management software. Additionally, locally hosted WordPress sites might have separate databases for them, so be sure to check your entire MySQL database list.
Increase the WordPress memory limit
Another misconfiguration that can cause this problem for you is the WordPress memory limit. If this is too small, you won’t be able to make new pages, add media to the Media Library and create new posts.
To change this, head to the wp-config.php file that controls all your important WordPress settings and add this line.
If 256MB isn’t enough for you, you can also try switching up to 512MB. Additionally, if you have access to the php.ini file, you should add the following line.
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