WordPress _SSL_ADMIN already defined Error: Complete Guide for Small Business Site Owners

For many small business site owners, enabling HTTPS on WordPress is essential. However, you might encounter this frustrating error: _SSL_ADMIN already defined in /www/wwwroot/xxx/wp-config.php on line 102 This guide will help you: Understand why this error occurs Safely troubleshoot plugin and configuration conflicts Set up SSL correctly in WordPress Avoid similar issues in the future Even if you’re not a developer, you can follow this guide step by step. 1. Why _SSL_ADMIN already defined Occurs This PHP warning appears because: A constant is defined twice PHP triggers a “constant already defined” error if a constant is declared multiple times. _SSL_ADMIN …