This is the error in logs :
29-Aug-2012 14:12 - Error: ZeXtras ZxBackup Notification, Full Scan failed.
This is an automated notification from ZxBackup about Full Scan.
Operation Full Scan failed.
Operation Id: 96e60f75-68fb-4a04-b47c-6dcd705a54ad
Operation Host: zimbra.ormant.local- exception -
java.lang.NullPointerException
at com.zextras.lib.ZEOperationException.(ZEOperationException.java:11)
at com.zextras.lib.ZEBlockingException.(ZEBlockingException.java:9)
at com.zextras.backup.ZEBackupMetadata.writeStates(ZEBackupMetadata.java:251)
at com.zextras.backup.ZEBackupMetadata.flush(ZEBackupMetadata.java:325)
at com.zextras.backup.ZEBAccount.flush(ZEBAccount.java:1584)
at com.zextras.backup.ZEBackupResourceManager.closeResource(ZEBackupResourceManager.java:188)
at com.zextras.backup.ZEBackupResourceManager.closeResource(ZEBackupResourceManager.java:172)
at com.zextras.backup.ZEBAccount.close(ZEBAccount.java:1372)
at com.zextras.op.backup.ZEScanOperation.doAccountScan(ZEScanOperation.java:317)
at com.zextras.op.backup.ZEScanOperation.doDomainScan(ZEScanOperation.java:72)
at com.zextras.op.backup.ZEScanOperation.doDomainScan(ZEScanOperation.java:63)
at com.zextras.op.backup.ZEFullScanOperation.doOperation(ZEFullScanOperation.java:307)
at com.zextras.op.ZEOperation.exec(ZEOperation.java:574)
at com.zextras.backup.ZEBackupThread.execOperation(ZEBackupThread.java:197)
at com.zextras.backup.ZEBackupThread.run(ZEBackupThread.java:107)
This error appear every time I click "run full scan"
Anyone have an idea to solve this ?