Kaltura_Client_Exception thrown

Invalid KS "MmFiYzAyOTNlMjhhMDFkMWJhYjU4NzIzNmU5YmYxOTdjNWU4ZGI5NnwxMDE7OzE0NzUwMTA1MzQ7MjsxNDc0OTI0MTM0LjEwOTtBbm9ueW1vdXM7ZWRpdDoq", Error "-1,INVALID_STR"