This morning when I logged in, I saw two of my hubs with broken links (those broken links are my other related hubs which were mentioned in those two hubs). My question is this, though I have made some changes in those hubs (which acted as broken links) but the URL etc obviously remained unchanged. I did some changes for optimization and keyword purposes, so how come they became a broken link? And do they affect anything? Please assist about the issue.
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