🚀 go-pugleaf

My schedule backups are not happening. Can anyone make sense of the error I'm getting?

09/10/2008 - 09:59 PM	[Scheduler Worker Thread #6]	ERROR	com.adobe.versioncue.backup.schedule - The operation was interrupted by an Error
com.adobe.versioncue.controller.backup.BackupException: Could not create the project backup. Operation failed. [617]:
java.lang.NullPointerException
at com.adobe.versioncue.controller.internal.backup.calls.ExecuteProjectBackupCall.executeBackup(ExecuteProjectBackupCall.java:104)
at com.adobe.versioncue.controller.internal.backup.calls.ExecuteBackupCall.executeItem(ExecuteBackupCall.java:97)
at com.adobe.versioncue.controller.internal.backup.calls.ExecuteBackupCall.executeItem(ExecuteBackupCall.java:51)
at com.adobe.versioncue.controller.core.calls.AbstractControllerCall.executeItem(AbstractControllerCall.java:248)
at com.adobe.versioncue.controller.core.calls.ValveContext.invokeNext(ValveContext.java:114)
at com.adobe.versioncue.controller.core.calls.EventValve.executeItem(EventValve.java:53)
at com.adobe.versioncue.controller.core.calls.ValveContext.invokeNext(ValveContext.java:114)
at com.adobe.versioncue.controller.core.calls.AbstractControllerCall$1.run(AbstractControllerCall.java:511)
at com.adobe.versioncue.persistence.PersistenceComponent$2.runWithTransaction(PersistenceComponent.java:380)
at com.adobe.versioncue.internal.persistence.PersistenceModificationRunnable.run(PersistenceModificationRunnable.java:82)
at com.adobe.versioncue.persistence.PersistenceComponent.run(PersistenceComponent.java:250)
at com.adobe.versioncue.persistence.PersistenceComponent.runWithTransaction(PersistenceComponent.java:369)
at com.adobe.versioncue.persistence.PersistenceComponent.runWithTransaction(PersistenceComponent.java:349)
at com.adobe.versioncue.controller.core.calls.AbstractControllerCall.run(AbstractControllerCall.java:745)
at com.adobe.versioncue.controller.core.calls.AbstractControllerCall.execute(AbstractControllerCall.java:144)
at com.adobe.versioncue.controller.internal.backup.BackupController.backup(BackupController.java:161)
at com.adobe.versioncue.controller.internal.backup.BackupTask.execute(BackupTask.java:85)
at com.adobe.versioncue.backup.schedule.BackupSchedulerThread$1$1.run(BackupSchedulerThread.java:490)
at com.adobe.versioncue.model.context.Context.run(Context.java:90)
at com.adobe.versioncue.backup.schedule.BackupSchedulerThread$1.run(BackupSchedulerThread.java:478)
at java.lang.Thread.run(Thread.java:613)