Php Version Issue Resolution for Wordpress Site

We are seeking a skilled freelancer to address and resolve a critical PHP version conflict affecting our WordPress website. Our site is hosted on a Contabo vps, and the current php configuration is causing operational issues. The primary objective of this project is to diagnose the exact nature of the PHP version incompatibility, implement the necessary fixes, and ensure the WordPress site functions flawlessly and stably after the resolution. The ideal candidate will possess extensive experience in WordPress development, a deep understanding of PHP environments, and proven expertise in server-side troubleshooting, particularly within a Linux-based VPS setting. Attention to detail, strong analytical skills, and the ability to effectively communicate technical findings are highly valued. We are looking for a professional with a solid track record in successfully resolving similar technical challenges. Your proposal should outline your approach to diagnosing and fixing this issue.