edit the sudo vim /usr/local/munki/munkilib/appleupdates.py file, scroll down to the section that talks about the various update repos. the patch level or OS level should be listed in the file, under the list. if it stops at 10.10 or so, that's bad...
Also found here: https://github.com/munki/munki/blob/master/code/client/munkilib/appleupdates/sync.py
this content will need to be added:
| '10.10': ('https://swscan.apple.com/content/catalogs/others/' |
| 'index-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1' |
| '10.11': ('https://swscan.apple.com/content/catalogs/others/' |
| 'index-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard' |
| '10.12': ('https://swscan.apple.com/content/catalogs/others/' |
| 'index-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard' |
| '-leopard.merged-1.sucatalog'), |
| '10.13': ('https://swscan.apple.com/content/catalogs/others/' |
| 'index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard' |
'-leopard.merged-1.sucatalog')
Once the *repo* has been updated, re-run the
sudo /usr/local/munki/managedupdates command to force the system to check into the server (and thereby) resolving the error.