You are trying to install SSIM 4.8.1 on SIEM servers using .iso file and it fails with:
Error Parsing Kickstart Config
Steps to install Symantec Security Information Manager (SSIM)4.8.1 on Symantec SIEM 9700 Series Appliances (NEI) servers using the 4.8.1.iso.
Note: If you have a screen pop up that there is not enough space to install SSIM, that is because the usb drive was not removed soon enough. Simply reboot the server and follow the steps
SEIM SSIM servers models 9750, 9751, 9752 built by NEI.