Here is some errors while doing a cPanel upgrade.

Failed to download http://diff.cpanel.net/bandmininstal...nit.noarch.rpm .. using source instead
ftp://mirrors.ptd.net/fedora/core/5/...ta/repomd.xml: [Errno 4] IOError: [Errno ftp error] 530 Too many users in your class, please try again later.
Trying other mirror.
No Match for argument: db-devel
No Match for argument: db1-devel
No Match for argument: ndbm-devel
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Excluding Packages in global exclude list
Finished
Parsing package install arguments
Nothing to do
Fetching http://diff.cpanel.net/bandmininstal...ewinit.src.rpm (0)....@69.90.250.35......connected......receiving...1%...3%...5%...7%...9%...11%...13%...15%...17%...19%...20%...22%...24%...26%...28%...30%...32%...34%...36%...38%...40%...41%...43%...45%...47%...49%...51%...53%...55%...57%...59%...60%...62%...64%...66%...68%...70%...72%...74%...76%...78%...80%...81%...83%...85%...87%...89%...91%...93%...95%...97%...99%...100%......Done
failed to download http://diff.cpanel.net/bandmininstal...ewinit.src.rpm at /scripts/bandminup line 145.
checkyum version 20.2