Solution:
Live Account: 

• This error is generated when a read-only account attempts to place a trade.  For Live accounts, your account is being managed per your request. If you would like to change to a self traded account please contact Sales.

Demo Account:

• You received this error message because you registered for an options demo account and are attempting to place a trade on the regular trading station.  Option demo accounts are not able to trade spot FX.  However, if you would like a demo account that will enable you to trade both options and spot forex please register for a new demo account below. 

100K - http://www.fxcm.com/open-free-100k.jsp
Mini - http://www.fxcm.com/open-free-mini.jsp