Strange Error - ServerToServerProjectDeployer.clearCaches

Hello,

i want to deploy a new version of a iar and this error is thrown :

14:26:50.843 ERROR [ch.ivyteam.ivy.deployment.restricted.helper] [Ivy project deployment] [executionContext=SYSTEM] Could not deploy process model version APEL$Apel$2 java.lang.NullPointerException at ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.clearCaches(ServerToServerProjectDeployer.java:198) at ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.deployAsSystem(ServerToServerProjectDeployer.java:141) at ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer$1.call(ServerToServerProjectDeployer.java:111) at ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem(SecurityManager.java:1439) at ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem2(SecurityManager.java:1456) at ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.deploy(ServerToServerProjectDeployer.java:106) at ch.ivyteam.ivy.deployment.restricted.helper.RichDialogBasedDeployment.deploy(RichDialogBasedDeployment.java:133) at ch.ivyteam.ivy.deployment.restricted.helper.RichDialogBasedDeployment$DeploymentThread$1.call(RichDialogBasedDeployment.java:228) at ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem(SecurityManager.java:1439) at ch.ivyteam.ivy.deployment.restricted.helper.RichDialogBasedDeployment$DeploymentThread.run(RichDialogBasedDeployment.java:223)

I have no idea what is can be. Could you help me ?

1. Start adminUI
2. right click on the application and choose deployment wizard
3. get the iar (local or server is the same)
4. validating OK
5. press the deploy button then the error

[INFO] Deploying project '2_203_2' by user 'xivyadmin' from host 'xpert-ivy1' [INFO] Destination: [INFO] - Application: APEL [INFO] - Process Model: Apel [INFO] - Process Model Version: 2

[INFO] Synchronize project directory ... [INFO] - Cleaning target directory ... [INFO] - Copying new project files to target directory ... [INFO] Successful synchronized.

[ERROR] null ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.clearCaches(ServerToServerProjectDeployer.java:198) ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.deployAsSystem(ServerToServerProjectDeployer.java:141) ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer$1.call(ServerToServerProjectDeployer.java:111) ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem(SecurityManager.java:1439) ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem2(SecurityManager.java:1456) ch.ivyteam.ivy.deployment.internal.ServerToServerProjectDeployer.deploy(ServerToServerProjectDeployer.java:106) ch.ivyteam.ivy.deployment.ProjectDeployment.deploy(ProjectDeployment.java:50) ch.ivyteam.ivy.admin.tool.deploymentwizardserver.deployment.DeploymentManager$DeploymentThread$1.call(DeploymentManager.java:214) ch.ivyteam.ivy.admin.tool.deploymentwizardserver.deployment.DeploymentManager$DeploymentThread$1.call(DeploymentManager.java:126) ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem(SecurityManager.java:1439) ch.ivyteam.ivy.admin.tool.deploymentwizardserver.deployment.DeploymentManager$DeploymentThread.run(DeploymentManager.java:125)