ProxySG indicated error "% Failed to extract system image file" when I upgraded below OS images.
SGOS 188.8.131.52 to SGOS 184.108.40.206
SGOS 220.127.116.11 to SGOS 18.104.22.168
Error message on ProxySG's Management Console.
System image installation
Compiling new configuration file: uploaded configuration
Thu, XX SEP 2019 XX:XX:XX UTC
% Failed to extract system image file.
There was 1 error and 0 warnings