specific
08:45:20.671 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token
found character '@' that cannot start any token. (Do not use @ for indentation)
in 'reader', line 14, column 13:
active: @profiles.active@
solution
Click on the project, right click
maven >> reload project