Getting this error after the script is done...getting this failure.

FATAL: Could not initialize class jenkins.plugins.maveninfo.extractor.MavenInfoExtractor
java.lang.NoClassDefFoundError: Could not initialize class jenkins.plugins.maveninfo.extractor.MavenInfoExtractor
at jenkins.plugins.maveninfo.extractor.MavenInfoEnvironment.tearDown(MavenInfoEnvironment.java:41)
at hudson.model.AbstractBuild$AbstractBuildExecution.tearDownBuildEnvironments(AbstractBuild.java:556)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:520)
at hudson.model.Run.execute(Run.java:1912)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543)
at hudson.model.ResourceController.execute(ResourceController.java:100)
at hudson.model.Executor.run(Executor.java:433)
channel stopped
Finished: FAILURE