TimThumb Error

The following error(s) occurred:

• The remote file is not a valid image. Mimetype = ''/home/manbeauty/public_html/extension/images/raxo_thumbs/amp/timthumb8jE9G4

Query String: src=https%3A%2F%2Finstagram.fevn1-1.fna.fbcdn.net%2Fvp%2F3b65e4f948f6a1988a9adb884f3f8cce%2F5D9FCC73%2Ft51.2885-15%2Fe35%2F64437251_561681771024231_5788296847306567735_n.jpg%3F_nc_ht%3Dinstagram.fevn1-1.fna.fbcdn.net&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)