I can help guide you on how to find a website developer and the steps to handle and fix errors on your website. Here are some suggestions:

1. Freelance Platforms:
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• Upwork: Post a job detailing your needs and budget, then choose from various applicants.
• Freelancer: Similar to Upwork, you can find freelance developers for short or long-term projects.
• Fiverr: Offers a range of developers at different price points, from basic fixes to full website development.

1. Job Boards:
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• Indeed: Post a job ad or search for developers' resumes.
• LinkedIn: Use LinkedIn's job posting feature or reach out directly to developers.

1. Web Development Agencies:
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• Look for reputable agencies that specialize in web development. They often have a team of experts who can handle various aspects of website maintenance and error fixing.

1. Local Meetups and Networking Events:
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• Attend local tech meetups or networking events to meet developers in person.

1. Identify the Errors:
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• Use tools like Google Analytics, Google Search Console, or specific error tracking tools to identify errors on your website.

1. Common Errors and Fixes:
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• 404 Errors: Check for broken links and update or redirect them.
• 500 Internal Server Errors: Check server logs to identify the issue, which might be related to server configuration, permissions, or script errors.
• Slow Loading Times: Optimize images, use caching, minimize CSS/JavaScript, and consider using a Content Delivery Network (CDN).
• Security Issues: Ensure your website is updated with the latest security patches, use HTTPS, and consider implementing a web application firewall (WAF).

1. Content Management System (CMS) Issues:
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• If you're using a CMS like WordPress, Joomla, or Drupal, make sure all plugins, themes, and the CMS itself are updated.
• Deactivate and reactivate plugins one by one to identify if a plugin is causing the issue.