The release of Satellite 5.8 we are deprecating the support of Subscription Asset Manager. The release notes for 5.8 can be found at https://access.redhat.com/documentation/en-us/red_hat_satellite/5.8/pdf/release_notes/Red_Hat_Satellite-5.8-Release_Notes-en-US.pdf.
I am therefore closing out this bug as WONTFIX. If you believe this to be an error, please feel free tor each out to either Rich Jerrido or Bryan Kearney. Thank you!