orders from multiple signal providers on one account

 
2014.04.08 20:13:13.218    '23638': order #4694164 buy 0.03 USDJPY.dma at 102.088 sl: 0.000 tp: 0.000 closed at price 102.087
2014.04.08 20:13:10.546    '23638': close order #4694164 buy 0.03 USDJPY.dma at 102.088 sl: 0.000 tp: 0.000 at price 0.000
2014.04.08 20:13:10.546    '23638': Signal - synchronize trade positions with deleting of opened positions

2014.04.08 20:13:10.546    '23638': Signal - local positions do not correspond to signal provider [#4694164 buy 0.03 USDJPY.dma at 102.088]

Does these messages mean that  there can't be any other order exept orders from signal provider ?

Does these messages mean that  there can be only one signal provider for the account ?

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2014.04.08 20:12:55.546    Credits: activated for 'fvvcom33', balance: 2.00

What does this message mean ?