SCM Activity Plugin doesn't work after having changed our SCM

[INFO]  Sensor ScmActivitySensor...
[INFO]  Check for local modifications...
[INFO]  	Executing: /bin/sh -c cd /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common/src/main/java && git status
[INFO]  	Working directory: /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common/src/main/java
[INFO]  	Executing: /bin/sh -c cd /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common/src/test/java && git status
[INFO]  	Working directory: /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common/src/test/java
[INFO]  Check for local modifications done: 2521 ms
[INFO]  Retrieve changelog from revision 35243...
[INFO]  	Executing: /bin/sh -c cd /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common && git whatchanged --date=iso 35243.. -- /home/swfhudson/data/jobs/cloud-management-develop-sonar/workspace/sources/cloud-services-common
[ERROR] Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.0-beta-2:sonar (default-cli) on project cloud-management-parent: Can not execute Sonar: Unable to retrieve changelog: fatal: bad revision '35243..' -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:sonar-maven-plugin:2.0-beta-2:sonar (default-cli) on project cloud-management-parent: Can not execute Sonar
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: Can not execute Sonar
	at org.codehaus.mojo.sonar.Bootstraper.executeMojo(Bootstraper.java:118)
	at org.codehaus.mojo.sonar.Bootstraper.start(Bootstraper.java:65)
	at org.codehaus.mojo.sonar.SonarMojo.execute(SonarMojo.java:90)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
	... 19 more
Caused by: org.sonar.api.utils.SonarException: Unable to retrieve changelog: fatal: bad revision '35243..'

	at org.sonar.plugins.scmactivity.Changelog.retrieveChangeSets(Changelog.java:105)
	at org.sonar.plugins.scmactivity.Changelog.load(Changelog.java:55)
	at org.sonar.plugins.scmactivity.ScmActivitySensor.analyse(ScmActivitySensor.java:83)
	at org.sonar.batch.phases.SensorsExecutor.execute(SensorsExecutor.java:63)
	at org.sonar.batch.phases.Phases.execute(Phases.java:93)
	at org.sonar.batch.bootstrap.ProjectModule.doStart(ProjectModule.java:145)
	at org.sonar.batch.bootstrap.Module.start(Module.java:89)
	at org.sonar.batch.bootstrap.BatchModule.analyze(BatchModule.java:106)
	at org.sonar.batch.bootstrap.BatchModule.analyze(BatchModule.java:101)
	at org.sonar.batch.bootstrap.BatchModule.doStart(BatchModule.java:96)
	at org.sonar.batch.bootstrap.Module.start(Module.java:89)
	at org.sonar.batch.bootstrap.BootstrapModule.doStart(BootstrapModule.java:96)
	at org.sonar.batch.bootstrap.Module.start(Module.java:89)
	at org.sonar.batch.Batch.execute(Batch.java:74)
	at org.sonar.maven3.SonarMojo.executeBatch(SonarMojo.java:147)
	at org.sonar.maven3.SonarMojo.execute(SonarMojo.java:136)
	at org.codehaus.mojo.sonar.Bootstraper.executeMojo(Bootstraper.java:113)
	... 23 more