The admin module for web site new.stokeandnewcastleramblers.org.uk tells me there are updates outstanding, but when I try to install them I get error

Warning
Update: Could not open update site #29 "Ramblers Header Module", URL: updates.ramblers-webs.org.uk/raheader.xml
Update: Could not open update site #31 "Ramblers Footer Module", URL: updates.ramblers-webs.org.uk/rafooter.xml
Update: Could not open update site #38 "Ramblers-webs plugin", URL: updates.ramblers-webs.org.uk/ramblersplugin.xml
Update: Could not open update site #39 "Ramblers-webs Update Site", URL: updates.ramblers-webs.org.uk/ramblerslibrary.xml
Update: Could not open update site #47 "Ramblers Header Module", URL: 79.170.44.77/ramblers-webs.org.uk/updates/raheader.xml
Some update sites are disabled. You may want to check the Update Sites Manager.

However, when I go to Update Site Manager I see everything seems to be enabled. Have thes updates been moved?

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