Travel Adventure project - Create REST APIs with Spring

The project itself here:

Can anyone help and tell me why am I facing an error like this??

[ERROR] /home/ccuser/worspace/spring-traveladventuresapi-v2/src/main/java/com/codecademy/plants/controllers/
[40,36] cannot find symbol
[ERROR] symbol: method finbByCountry(java.lang.String)
[ERROR] location: variable adventureRepository of type com.codecademy.plants.repositories.AdventureRepository

And I have the same with findByState() method. Might this be a problem with interface implementation? As far as I know I haven’t change anything in other files than just the

Thanks in advance!