IllegalArgumentException when creating group invitation

    java.lang.IllegalArgumentException
        at org.briarproject.bramble.db.DatabaseComponentImpl.mergeGroupMetadata(DatabaseComponentImpl.java:756)
        at org.briarproject.bramble.client.ClientHelperImpl.mergeGroupMetadata(ClientHelperImpl.java:217)
        at org.briarproject.briar.autodelete.AutoDeleteManagerImpl.getAutoDeleteTimer(AutoDeleteManagerImpl.java:109)
        at org.briarproject.briar.android.privategroup.creation.CreateGroupControllerImpl.createInvitationContexts(CreateGroupControllerImpl.java:174)
        at org.briarproject.briar.android.privategroup.creation.CreateGroupControllerImpl.lambda$null$4(CreateGroupControllerImpl.java:155)
        at org.briarproject.briar.android.privategroup.creation.CreateGroupControllerImpl.lambda$null$4$CreateGroupControllerImpl(CreateGroupControllerImpl.java)
        at org.briarproject.briar.android.privategroup.creation.-$$Lambda$CreateGroupControllerImpl$UuIyBT5BPK-Ol5OSyYuTSxVHrEA.run(lambda)
        at org.briarproject.bramble.db.DatabaseComponentImpl.transaction(DatabaseComponentImpl.java:198)
        at org.briarproject.briar.android.privategroup.creation.CreateGroupControllerImpl.lambda$sendInvitation$5(CreateGroupControllerImpl.java:151)