'build.plugins.plugin.(groupid:artifactid)' must be unique but found duplicate declaration of plugin code example
Example: build.plugins.plugin.version
<!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin -->
<dependency>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
</dependency>