If you can read a documentation and debug your code, you have the most important skills of a developer down. These skills are so important for me that they were the only ones we put as required in a job offer for our own company.
Debugging gets especially valuable when a framework is doing so much of the basic work for you as Vue.js does: It is easy to write your code on top of it, but it's hard to locate an error on a deeper level.
This is why I loved this Detective Story about Debugging by Kevin Ball on vuejsdevelopers.com. He walks you through his steps of problem-solving: