No qualifying bean of type found for dependency is an error message that can occur when you are using the @Autowired annotation in Spring to inject a bean dependency.
If IntelliJ is saying "No beans of type 'X' found for autowiring" for a repository that you are trying to autowire, it means that the Spring application context does not contain a bean of the specified type.
The @Autowired annotation in Spring is used to inject dependencies into a Java object.
There are several reasons why an @Autowired field in a Spring bean might be null: