It was the way the link was copied. When I removed the "note12..." after your npub, it took me to your main page. From there I was able to click on the article, and this is the link that worked:

https://highlighter.com/a/naddr1qvzqqqr4gupzqvv660neqc6dh6r0zndec2v4kfhw833z30j4lzwycll2ntxqr4g2qqw45s2s94p57n6tf98ywt2wg4t4xnz9232y253dx3uhsuekwvrrutgy