Kaltura_Client_Exception thrown

Invalid KS "Y2I4ZDUyZTAyNThmNjZiNDdkMjUzM2RiNGJkODFhN2NmMGEzOTc1MnwxMDE7OzE0NzUwMjkxMTc7MjsxNDc0OTQyNzE3Ljc2OTU7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"