After revision 24129 ZBX-3286 added ability to automatically delete low level discovered resources (Vedmak,Sasha).

We have error when trying add host via API:
20: Sending: {"params": {"templates": [

{"templateid": 21450}

,

{"templateid": 20927}

], "inventory_mode": 1, "interfaces": [

{"ip": "10.102.228.112", "useip": 0, "dns": "bs60660", "main": 1, "type": 2, "port": 161}

], "host": "bs60660.is74.ru", "inventory":

{"name": "bs60660", "type": "DES-3200", "location": "\u0421\u0430\u043b\u0430\u0432\u0430\u0442\u0430 \u042e\u043b\u0430\u0435\u0432\u0430, 20(2 \u043f)", "macaddress_a": "5C:D9:98:12:03:F0", "site_city": "\u0427\u0435\u043b\u044f\u0431\u0438\u043d\u0441\u043a", "os": "Build 1.21.B006", "serialno_a": "PVI41AA003964"}

, "groups": [

{"groupid": 10}

,

{"groupid": 12}

,

{"groupid": 17}

]}, "jsonrpc": "2.0", "method": "host.create", "auth": "6b43952b2160fdada1621ee2a947cd42", "id": 2}
10: Sending headers:

{'Content-Type': 'application/json-rpc', 'Authorization': 'Basic Ym9hcmQ6Z3JhcGg=', 'User-Agent': 'python/zabbix_api'}

20: Response Code: 200
10: Response Body: {u'jsonrpc': u'2.0', u'id': 2, u'error': {u'message': u'Invalid params.', u'code': -32602, u'data': u'Graph [ FastEthernet0/1 - \u0422\u0440\u0430\u0444\u0438\u043a ]: cannot inherit. No required items on [ bs60660 ]'}}
Host bs60660 create failed [Error -32602: Invalid params., Graph [ FastEthernet0/1 - ?????? ]: cannot inherit. No required items on [ bs60660 ]]
Failed to add bs60660 in Zabbix