What can you tell us about the code that is supposed to run in that column? What’s the source url? What are you expecting for a result? Could probably use a javascript column if we know what it’s supposed to do.
Any update on this matter?
When this happens, it’s usually network related.
Try switching to a different network, different browser, or flushing your DNS cache.
If you can’t access column.sh, then it’s a good indicator there’s something wrong with your network on trying to connect to those integration columns. At least it has always been like that for me.