NPE loading keepass archive created using KeepassXC 2.7.1

[codemonstur]

I get the following error with my archive:

nullpointerexception: Cannot invoke "de.slackspace.openkeepass.domain.CrsAlgorithm.ordinal()" because "algorithm" is null
     at de.slackspace.openkeepass.domain.CrsAlgorithm.getIntValue(CrsAlgorithm:21)
     at de.slackspace.openkeepass.domain.KeePassHeader.getInnerRandomStreamId(KeePassHeader:304)
     at de.slackspace.openkeepass.domain.KeePassHeader.getValue(KeePassHeader:291)
     at de.slackspace.openkeepass.domain.KeePassHeader.getHeaderSize(KeePassHeader:413)
     at de.slackspace.openkeepass.api.KeePassDatabaseReader.decryptStream(KeePassDatabaseReader:114)
     at de.slackspace.openkeepass.api.KeePassDatabaseReader.decryptAndParseDatabase(KeePassDatabaseReader:38)
     at de.slackspace.openkeepass.KeePassDatabase.openDatabase(KeePassDatabase:165)