Budget: 115 USD Deadline: 1 day
It seems that you have not just a plugin failure here, but a chain of problems: vulnerabilities, unstable WPBooking, and the need to safely prepare the site for SEO. I would start with pinpointing the error, fixing the conflict in the plugin/PHP version, and checking why the booking breaks on pages without a price. Then, cleanup, file verification, and restoring protection without unnecessary risk to working data. I have already had experience restoring WordPress sites after viruses and fatal errors: it is important not only to fix but also to keep the system stable for further work. I can get involved and offer a clear action plan.