Canonicalization is the process of selecting the best URL when there are multiple choices available For a single webpage. it helps prevent duplicate content issues and consolidate link equity to the preferred URL. Sometimes, webmasters may set canonical tags on their webpages to specify the preferred URL For indexing and ranking purposes. However, If canonical tags are misconfigured or point to the wrong URL, it can cause indexing issues. For example, If the canonical tag points to a non-existent or incorrect URL, search engines may not index the content properly or may index the wrong version of the page.