Many beginners think great developers write perfect code quickly. In reality, experienced developers spend a lot of time debugging and understanding problems.

Debugging teaches you how systems actually behave instead of how you expect them to behave. Reading error messages carefully, checking logs, and isolating the problem step by step are essential skills.

If you want to improve debugging skills, this guide is useful:
https://stackoverflow.com/help/how-to-debug

The better you get at debugging, the faster you grow as a developer.