PHP ImagickException: not authorized

Question

Any ideas how to fix this ?

 ImagickException: not authorized `/tmp/magick-1552lvf2nIjaqx1W\' @ error/constitute.c/ReadImage/412 

I thought

Answer 1

An "strace" of the PHP process shown the following:

sh: inkscape: command not found

I fixed this by:

apt-get install inkscape