Did you try to update PHP to version 7.4, or 8.0. or 8.1 and your website goes down with an http error 500 and the error message “Uncaught Error: Call to undefined function trailingslashit()“? The “Call to undefined function trailingslashit()” error is typically encountered in WordPress projects. This error occurs when the code tries to … Continue reading “How to fix the Error Uncaught Error: Call to undefined function trailingslashit()”
Category: Troubleshooting
Fix: Call to undefined function get allowed block template part areas()
After updating to WordPress version 5.9, you may get a blank white page or a fatal error saying something like: [26-Jan-2022 15:52:28 UTC] PHP Fatal error: Uncaught Error: Call to undefined function get_allowed_block_template_part_areas() in /home/web/public_html/new/wp-includes/blocks/template-part.php:168 If you only get a white page without seeing anything, you can verify this error by activating the WordPress debug.log. … Continue reading “Fix: Call to undefined function get allowed block template part areas()”