Fail to install xenserver patch: The uploaded update file is invalid

Fail to install xenserver patch with error "The uploaded update file is invalid" xensource.log shows below trace. Oct 12 15:22:10 xxxxx xapi: warn||5521 HTTPS 192.168.23.251-:::80|poolupdate.introduce R:fc93dd2259e5|pervasiveext finally: Error while running cleanup after failure of main function:...