Thread:Project:Support desk/Error creating thumbnail Error code: -1/reply (6)

I have the same problem

The logs with the error :

I've tried the command on shell :

And only the convert command :

'''In the 2 case the thumbnail is created in temporary folder.

As you can see the exit code is ok (0)'''

My configuration :

MediaWiki 	1.24.2

PHP 		5.5.22 (fpm-fcgi)