我需要为我的实验从源代码构建Spring Security 。我执行了命令 $./gradlew install 遵循github中的指南：Spring Security 。但是，它返回以下错误：

FAILURE: Build failed with an exception.
* What went wrong:
Could not determine the dependencies of task ':spring-security-config:compileKotlin'.
> Could not resolve all files for configuration ':spring-security-config:kotlinCompilerClasspath'.
   > Could not resolve org.jetbrains.kotlin:kotlin-compiler-embeddable:1.4.10.
     Required by:
         project :spring-security-config
      > Could not resolve org.jetbrains.kotlin:kotlin-compiler-embeddable:1.4.10.
         > Could not get resource 'https://repo.spring.io/libs-snapshot/org/jetbrains/kotlin/kotlin-compiler-embeddable/1.4.10/kotlin-compiler-embeddable-1.4.10.pom'.
            > Could not HEAD 'https://repo.spring.io/libs-snapshot/org/jetbrains/kotlin/kotlin-compiler-embeddable/1.4.10/kotlin-compiler-embeddable-1.4.10.pom'. Received status code 401 from server: Unauthorized
   > Could not resolve org.jetbrains.kotlin:kotlin-bom:1.4.10.
     Required by:
         project :spring-security-config
      > Could not resolve org.jetbrains.kotlin:kotlin-bom:1.4.10.
         > Could not get resource 'https://repo.spring.io/libs-snapshot/org/jetbrains/kotlin/kotlin-bom/1.4.10/kotlin-bom-1.4.10.pom'.
            > Could not GET 'https://repo.spring.io/libs-snapshot/org/jetbrains/kotlin/kotlin-bom/1.4.10/kotlin-bom-1.4.10.pom'. Received status code 401 from server: Unauthorized
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.6.1/userguide/command_line_interface.html#sec:command_line_warnings
BUILD FAILED in 3m 53s

原因是什么？如何修复？