Kaltura_Client_Exception thrown

Invalid KS "MmNlYjY1MDhjMzkyMjQyNzlmMmNkNWM2MjlkMmIzZjgwMjQyNWFkZHwxMDE7OzE0NzUxMDI1MDg7MjsxNDc1MDE2MTA4LjE5ODc7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"