Somebody else must have updated HD #XXX

07-Oct-2017 17:03:01.307 INFO [Harvest worker] dk.kb.webdanica.webapp.workflow.HarvestWorkThread.harvest Making harvest-request for seed: http://00052221-slimline-keyboard-sl650.it-taked
rivers.com/
07-Oct-2017 17:03:01.308 INFO [Harvest worker] dk.kb.webdanica.webapp.workflow.HarvestWorkThread.harvest Waiting for harvest to complete or timeout (max wait until Sat Oct 07 17:13:01 CE
ST 2017) of seed: http://00052221-slimline-keyboard-sl650.it-takedrivers.com/
INFO  Adding seeds til new configuration 'webdanica-trial-1507388581307_webdanica_order_10000Bytes_10000Objects' (id=null) for domain 'it-takedrivers.com' 
INFO  Created configuration 'webdanica-trial-1507388581307_webdanica_order_10000Bytes_10000Objects' for domain it-takedrivers.com with ID 344
INFO  Saving attributes for domain config id 344 and name webdanica-trial-1507388581307_webdanica_order_10000Bytes_10000Objects and domain it-takedrivers.com
INFO  Setting attribute MAX_HOPS to value 20
Exception in thread "Thread-1254" dk.netarkivet.common.exceptions.PermissionDenied: Somebody else must have updated HD #313: 'webdanica-trial-1507388581307' since edition 1, not updating
        at dk.netarkivet.harvester.datamodel.HarvestDefinitionDBDAO.update(HarvestDefinitionDBDAO.java:459)
        at dk.netarkivet.harvester.datamodel.PartialHarvest.addSeedsToDomain(PartialHarvest.java:499)
        at dk.netarkivet.harvester.datamodel.PartialHarvest.addSeeds(PartialHarvest.java:315)
        at dk.kb.webdanica.core.interfaces.harvesting.SingleSeedHarvest.<init>(SingleSeedHarvest.java:131)
        at dk.kb.webdanica.webapp.workflow.HarvesterThread.run(HarvesterThread.java:46)
        at java.lang.Thread.run(Thread.java:745)
07-Oct-2017 17:03:31.308 SEVERE [Harvest worker] dk.kb.webdanica.webapp.workflow.HarvestWorkThread.harvest java.lang.NullPointerException
 java.lang.NullPointerException
        at dk.kb.webdanica.webapp.workflow.HarvestWorkThread.harvest(HarvestWorkThread.java:395)
        at dk.kb.webdanica.webapp.workflow.HarvestWorkThread.process_run(HarvestWorkThread.java:321)
        at dk.kb.webdanica.webapp.workflow.WorkThreadAbstract.run(WorkThreadAbstract.java:84)
        at java.lang.Thread.run(Thread.java:745)