Below is a link to a doc containing a simple table with a column (“Listing”) using the Hyperlink formula. The formula’s url argument is the column “Image URL”, type URL. Its display value argument is the column name “Name”, type Text. The formula editor shows no error but in the table view the Listing column has a red triangle in its corner and a pop up error message “Invalid Attachment Value”. The link does work fine but how can I remove the error?
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I can’t see which column type it is, but I would guess it’s a ‘File’ column and a hyperlink is not an attachment. If that’s the case, you could just change it to a ‘Link’ type or even a ‘Text’.
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Sorry, changed the access to Editor so you can see everything.
The Image URL column was Link. Changing it to Text did not help. I’m stumped.
I mean the ‘Listing’ column, it should be a Link or Text.
I still can’t edit your doc, I just requested editing access.
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Oh yes, that was it, oops. Thanks very much.
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