SpringBoot Property 'spring.config.activate.on-profile' imported from location

SpringBoot Version: 2.4.2

This is the error message

org.springframework.boot.context.config.InvalidConfigDataPropertyException: Property 'spring.config.activate.on-profile' imported from location 'class path resource [application-dev.yml]' is invalid in a profile specific resource [origin: class path resource [application-dev.yml] - 5:19] at org.springframework.boot.context.config.InvalidConfigDataPropertyException.lambda$throwOrWarn$1(InvalidConfigDataPropertyException.java:121)

application-dev.yml

spring:
  config:
    activate:
      on-profile: dev

application.yml

spring:
  profiles:
    active: dev

How should I solve this problem? Can someone help me?

Comment From: ye21st

Problem solved：

SpringBoot Version: 2.3.1.RELEASE -> 2.4.2

Suppose there are the following configuration files under the resource folder: application.yml application-dev.yml application-prod.yml application-common.yml

Solution：

application.yml

## 2.3.1.RELEASE
spring:
  profiles:
    active: dev
    include: common

## 2.4.2
spring:
  profiles:
    active: dev
    group:
      dev: common
      test: common
      prod: common

---

application-dev.yml

## 2.3.1.RELEASE
spring:
  profiles: dev

## 2.4.2
spring:
  ## The current environment does not need to be specified, the program will automatically find the 
  ## corresponding environment configuration according to the configuration file name

---

application-prod.yml

## 2.3.1.RELEASE
spring:
  profiles: prod

## 2.4.2
spring:
  ## The current environment does not need to be specified, the program will automatically find the 
  ## corresponding environment configuration according to the configuration file name