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/timthumb65Gd76

Query String: src=https%3A%2F%2Fscontent-dfw5-1.cdninstagram.com%2Fvp%2F93e585957dd26f7e96b4084ad348fdbb%2F5E07F564%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fp750x750%2F65970242_185456412452285_5279794921193823576_n.jpg%3F_nc_ht%3Dscontent-dfw5-1.cdninstagram.com%26_nc_cat%3D105&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)