when trying to use the release management of Artifactory plugin the build failed with this error:

[RELEASE] Release build triggered
> git config --get remote.origin.url # timeout=10
> git config core.sparsecheckout # timeout=10
> git checkout -f master
FATAL: com.tikal.jenkins.plugins.multijob.MultiJobProject cannot be cast to hudson.model.FreeStyleProject
java.lang.ClassCastException: com.tikal.jenkins.plugins.multijob.MultiJobProject cannot be cast to hudson.model.FreeStyleProject
at org.jfrog.hudson.release.ReleaseAction.getBuilders(ReleaseAction.java:592)
at org.jfrog.hudson.release.gradle.BaseGradleReleaseAction.getModuleRoot(BaseGradleReleaseAction.java:109)
at org.jfrog.hudson.release.gradle.GradleReleaseWrapper.changeProperties(GradleReleaseWrapper.java:188)
at org.jfrog.hudson.release.gradle.GradleReleaseWrapper.setUp(GradleReleaseWrapper.java:155)
at org.jfrog.hudson.gradle.ArtifactoryGradleConfigurator.setUp(ArtifactoryGradleConfigurator.java:416)
at hudson.model.Build$BuildExecution.doRun(Build.java:154)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:536)
at com.tikal.jenkins.plugins.multijob.MultiJobBuild$MultiJobRunnerImpl.run(MultiJobBuild.java:134)
at hudson.model.Run.execute(Run.java:1741)
at com.tikal.jenkins.plugins.multijob.MultiJobBuild.run(MultiJobBuild.java:73)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:374)