Admin: domain history search fails for some domainnames

[vohmar]

/admin/domain_versions

searching for domain history records in domain_versions view ends with internal error, but not with all domainnames

error message:

Sep 30 13:27:46 reg-l-epp ADMIN[26484]: [Hash] [Env_name] [IP_addr] Completed 500 Internal Server Error in 18844ms (ActiveRecord: 18734.8ms | Allocations: 25656)
Sep 30 13:27:46 reg-l-epp ADMIN[26484]: [Hash] [Env_name] [IP_addr]   #012[Hash] [Env_name] [IP_addr] ActionView::Template::Error (undefined method id=' for {}:Hash):#012[Hash] [Env_name] [IP_addr]     67:                   - else#012[Hash] [Env_name] [IP_addr]     68:                     - contact = Contact.all_versions_for([domain.registrant_id], version.created_at).first#012[Hash] [Env_name] [IP_addr]     69:                     - if contact.nil? && ver = ContactVersion.where(item_id: domain.registrant_id).last#012[Hash] [Env_name] [IP_addr]     70:                       - contact = Contact.new(ver.object.to_h.merge(ver.object_changes.to_h.each_with_object({}){|(k,v), o| o.public_send("#{k}=", v.last) } ))#012[Hash] [Env_name] [IP_addr]     71:                     = contact.try(:name)#012[Hash] [Env_name] [IP_addr]     72:                     = " ".html_safe#012[Hash] [Env_name] [IP_addr]     73:                     = "(#{t(:deleted)})"#012[Hash] [Env_name] [IP_addr]   #012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:70:inpublic_send'#012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:70#012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:70:in each'#012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:70:ineach_with_object'#012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:70#012[Hash] [Env_name] [IP_addr] app/views/admin/domain_versions/archive.haml:56#012[Hash] [Env_name] [IP_addr] app/controllers/admin/domain_versions_controller.rb:47:in `index'

not sure what causes this error - initial thought was in relation to history ie problem is with domains that have been registered before, deleted and registered again, but now we also have an example of domain with long history and no re-registrations but still returns the same error.