Find missing extensions error

Dear Community,

I have just switched to the newest version of KNIME (4.7.2) and I am encountering an issue with the extensions needed for the workflows that I have been using in the past versions.
As you can see below, some of the nodes are missing so I cannot run the workflows.
I have tried to download the corresponding extensions but I keep getting the error below.
I also tried to do a manual refresh of the update site but it’s not working.

The last update site URL in your preferences ( is not available. It seems there is a / missing. You can either fix it or disable it. Then the installation should work.

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Thank you so much for your reply and for the support! Indeed, I changed the last URL and now it works as expected.

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