Kaltura_Client_Exception thrown

Invalid KS "MDRiNDBjMTllYTI0NjE3YTQ2MGVmY2EwZWFiZDRhOGFhNDkzZGIzNHwxMDE7OzE0NzUyMzg1MDE7MjsxNDc1MTUyMTAxLjcwNDk7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"