403

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Unlike the 404 error, which suggests a resource is missing, a 403 error confirms the resource exists but flatly denies entry. It occurs when the server understands the request but refuses to authorize it. This distinction is vital. It implies that while the user may be "authenticated" (the server knows who they are), they are not "authorized" (they don't have the right permissions). It is the digital equivalent of having a valid ID to enter a building but being told your badge doesn't grant access to the server room. Common Triggers AI responses may include mistakes

The most common cause is incorrect file or folder permissions on the host server, where the web software isn’t allowed to read the files it's supposed to serve. It occurs when the server understands the request