格式化程序在尝试反序列化消息时抛出一个异常:在尝试反序列化参数时出现错误

I had developed a custom tool to create components on Tridion. Using core service i am creating the components. I tested this application using small text files, it worked fine. Now i am running my tool to create components for the actual content. For second file it is giving following error: "The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter I had developed a custom tool to create compone