# FetchError: invalid json response body at http://localhost:3000/api/catalog reason: Unexpected token I in JSON at position 0FetchError: invalid json response body at http://localhost:3000/api/catalog reason: Unexpected token I in JSON at position 0

[salmova]

Bug report

Describe the bug

A clear and concise description of what the bug is.

To Reproduce

Steps to reproduce the behavior, please provide code snippets or a repository:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior

A clear and concise description of what you expected to happen.

Screenshots

If applicable, add screenshots to help explain your problem.

System information

• OS: [e.g. macOS, Windows]
• Browser (if applies) [e.g. chrome, safari]
• Version of Next.js: [e.g. 6.0.2]
• Version of Node.js: [e.g. 10.10.0]

Additional context

Add any other context about the problem here.

[jamesmosier]

Hi! Do you have a repository or some code you could provide? The error is that /api/catalog is returning a bad response, but without seeing the code it is impossible to know for sure.