In React, you need to display primitive values like strings and numbers. However, you are trying to display JavaScript objects. To resolve this, you should:

1. Use breakpoints and the debugger.
2. Use React Developer Tools, specifically the Components tab.
3. Use console.log to check what you are trying to display

Additionally, try fixing your bug by using the "Matryoshka doll" method: break the problem into smaller parts and solve them one by one.