Could not find or load main class 에러 해결

안녕하세요. 유현욱님, 공식 서포터즈 OMG입니다.
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인텔리제이 내에서 세팅 문제로 인해 발생하는 것 같은데요,

다음 링크를 참고해보시겠어요?

https://bba-jin.tistory.com/13
https://jelly-bee.tistory.com/69

.
감사합니다.

plugins {
   id 'org.springframework.boot' version '2.4.1'
   id 'io.spring.dependency-management' version '1.0.10.RELEASE'
   id 'java'
}

group = 'jpabook'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'

configurations {
   compileOnly {
      extendsFrom annotationProcessor
   }
}

repositories {
   mavenCentral()
}

dependencies {
   implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
   implementation 'org.springframework.boot:spring-boot-starter-validation'
   implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
   implementation 'org.springframework.boot:spring-boot-starter-web'

   compileOnly 'org.projectlombok:lombok'
   runtimeOnly 'com.h2database:h2'

   annotationProcessor 'org.projectlombok:lombok'
   testImplementation 'org.springframework.boot:spring-boot-starter-test'
   //JUnit4 추가
   testImplementation("org.junit.vintage:junit-vintage-engine") {
      exclude group: "org.hamcrest", module: "hamcrest-core"
   }

}

test {
   useJUnitPlatform()
}

build.gradle 입니다.