It doesn't like your alternative text. It says it is insufficient or contains extraneous information.
Possible Solution
Maybe try some different ways to explain the image. (You might need more words because the images that have more of a description aren't getting an error).
Issue
It doesn't like your alternative text. It says it is insufficient or contains extraneous information.
Possible Solution
Maybe try some different ways to explain the image. (You might need more words because the images that have more of a description aren't getting an error).