The HTTP 403 Forbidden response status code indicates that the server understands the request but refuses to authorize it.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/403
#0 index.php(72): RssBridge->main()
#1 lib/RssBridge.php(103): DisplayAction->execute()
#2 actions/DisplayAction.php(68): DisplayAction->createResponse()
#3 actions/DisplayAction.php(117): RedditBridge->collectData()
#4 bridges/RedditBridge.php(94): RedditBridge->collectDataInternal()
#5 bridges/RedditBridge.php(158): getContents()
#6 lib/contents.php(110): HttpException::fromResponse()
#7 lib/http.php(26)
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