Mind reading

does not work over the Internet. Each person might be using a different application, different scripting language, inputting parameters using different syntax... There are several things that could cause this error. Without a description of what you are doing when you get the error, along with showing your code or what you are typing, you will only get guesses as to what the problem is.
To receive any help you are going to need to post more information about what you are doing.
Post your code or what you are entering - x'ing out any sensitive info such as password...