Kaltura_Client_Exception thrown

Invalid KS "MWQxODQyZDI1N2Y3MmU2N2NkNTEwMWIxMmMzNjAwOTU1NGI1OGY5OXwxMDE7OzE0OTg2OTU2MTM7MjsxNDk4NjA5MjEzLjY0OTc7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"