PHP Fatal error:  Uncaught TypeError: Argument 1 passed to zbx_array_diff() must be of the type array, null given, called in /usr/share/zabbix/include/classes/api/services/CMaintenance.php on line 613 and defined in /usr/share/zabbix/include/func.inc.php:869
Stack trace:
#0 /usr/share/zabbix/include/classes/api/services/CMaintenance.php(613): zbx_array_diff(NULL, Array, 'groupid')
#1 /usr/share/zabbix/include/classes/api/clients/CLocalApiClient.php(123): CMaintenance->update(Array)
#2 /usr/share/zabbix/include/classes/core/CJsonRpc.php(87): CLocalApiClient->callMethod('maintenance', 'update', Array, 'b62d2fc4fa72e2e...')
#3 /usr/share/zabbix/api_jsonrpc.php(63): CJsonRpc->execute()
#4 {main}
  thrown in /usr/share/zabbix/include/func.inc.php on line 869

{
  "params": {
    "name": "Deploy job",
    "timeperiods": [
      {
        "timeperiod_type": 0
      }
    ],
    "active_till": 1475676942,
    "active_since": "1475675040",
    "maintenanceid": "4",
    "hostids": [
      "2"
    ]
  },
  "jsonrpc": "2.0",
  "method": "maintenance.update",
  "auth": "xxxxxxxx",
  "id": 1
}