React.js Backend Troubleshooting for Product Submission

Job ID: 39165748

Budget: $10 – $30 USD

My website's backend is encountering error messages when attempting to submit the 'add product' form. This issue is hindering my ability to manage inventory and update the site. The web app is designed for a front-end / customer interface and a backend, admin portal where we can add inventory that will sync with Google Sheets for real-time inventory management.

Error Details:
- The errors are occurring at all three points: the form submission endpoint, the database connection, and the image upload module.
- The error messages are primarily Server errors (5xx).

Image Hosting:
- I have tried multiple types of image hosting configurations: local storage on my VPS, cloud storage (e.g., AWS S3), and third-party image hosting services. None have worked, so I'm open to whatever you can get functioning.

Ideal Skills:
- Proficiency in React.js and backend troubleshooting.
- Experience with configuring image hosting services.
- Familiarity with Google Sheets integration for inventory management.

Please note, everything else on the site works perfectly fine except for my ability to add new products in the backend.
Related categories: PHP JavaScript MySQL HTML Node.js