Kaltura_Client_Exception thrown

Invalid KS "ZTEwNmY4OTJmNmQ2OWVjY2VkYjgzN2U4YmU0NmJjNWU2N2FmZWQ3NXwxMDE7OzE1MDEwMzEzMjA7MjsxNTAwOTQ0OTIwLjc0MDI7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"