Kaltura_Client_Exception thrown

Invalid KS "NmUxODQzMTE4NDhmM2M4YzRiZmEwYWVjOTk5YjU2NDFiNDUxYWQ3YnwxMDE7OzE0OTg3MjkyNDI7MjsxNDk4NjQyODQyLjk2MTY7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"