Bug

I've been getting this error when I try to sync Dropbox, change to a different client, or reset my folder, but this message in orange prevents from doing anything. Is there a fix?

I changed my picture for my blog, but the favicon didn't get changed, is there anything else todo after uploading the new picture?

I am trying to use "Extrinsic Calibration Algorithm between a Stereo Visual System and a 3D LiDAR" for the link text of a wikilink, but it does not work. However, "Extrinsic Calibration Algorithm between a Stereo Visual System and a LiDAR" works. Is there any limitation for the link text?