Hi i'm new to liquibase , and i'm importing an existing project after compile it i get this build failure , i can't understand the cause and the solution i'm trying to understand the code but i really find problem to do it .

this is the result after running mvn compile

[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for org.squashtest.tm:squashtest-csp-distribution:pom:1.2.0.RELEASE
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:org.squashtest.csp.core.log4j:jar -> duplicate declaration of version ${project.version} @ line 419, column 17
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:org.squashtest.csp.core.jetty.start.osgi:jar -> duplicate declaration of version ${project.version} @ line 424, column 17
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:org.squashtest.csp.core.service:jar -> duplicate declaration of version ${project.version} @ line 450, column 17
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:squashtest-csp-launcher:jar -> duplicate declaration of version ${project.version} @ line 455, column 17
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:org.squashtest.csp.tm.web:war -> duplicate declaration of version ${project.version} @ line 461, column 17
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:org.squashtest.csp.tm.service:jar -> duplicate declaration of version ${project.version} @ line 467, column 17
[WARNING] 'profiles.profile[build-mysql].plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.codehaus.mojo:sql-maven-plugi
maven liquibase
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