[R-SIG-Finance] Placing Combo orders with IBrokers

[psmith]

If anyone has successfully placed a combination order with the IBrokers
package, I'd appreciate it if you could post an example.  I have tried the
code below but although there are no errors, there is no order in TWS.  Also
if I follow this with a reqCurrentTime(tws), I get a bunch of warnings of
the type:

Warning: Unknown incoming message: °'. Please reset connection
Warning: Unknown incoming message: °›õ. Please reset connection

Thanks for any insight.

require(IBrokers)
tws <- twsConnect(1)
order <- twsOrder( orderId=reqIds(tws), totalQuantity = "1",  lmtPrice = "1"
) 
bag <- twsBAG(
  list(
    twsComboLeg(
      conId = "79265697", 
      ratio = "1", 
      action = "BUY", 
      exchange = "SMART"
    )
    ,
    twsComboLeg(
      conId = "79265687", 
      ratio = "1", 
      action = "SELL", 
      exchange = "SMART"
    )
  )
)
placeOrder( tws, bag, order)

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