iPhone Photo Upload, no Previews in nextcloud Webinterface

iPhone with iOS10 and Nextcloud App.
Nextcloud 10.0.1 (stable) on php-fpm 7.0.11 via nginx

Uploaded photos from iPhone didn’t preview via Webinterface. See Log below.
Is there a way to fix this? Downloaded Pictures are no Problem (desktop PC)

“reqId”:“9OREsbRUlVkXzhm/Ddgg”,“remoteAddr”:“217.86.110.231”,“app”:“core”,“message”:“Generating preview for “/Photos/2016-10-02 13-46-38 0244.jpg” with “OC\Preview\JPEG””,“level”:0,“time”:“2016-10-07T20:57:15+00:00”,“method”:“GET”,“url”:"/core/preview.png?file=%2FPhotos%2F2016-10-02+13-46-38+0244.jpg&c=3478c9b7279f660e5ab05d79d40477e2&x=48&y=48&forceIcon=0",“user”:“Christian”}
{“reqId”:“9OREsbRUlVkXzhm/Ddgg”,“remoteAddr”:“217.86.110.231”,“app”:“core”,“message”:“OC_Image->loadFromFile, JPG images not supported: /var/vhosts/com.domain/subs/some/data/Christian/files/Photos/2016-10-02 13-46-38 0244.jpg”,“level”:0,“time”:“2016-10-07T20:57:15+00:00”,“method”:“GET”,“url”:"/core/preview.png?file=%2FPhotos%2F2016-10-02+13-46-38+0244.jpg&c=3478c9b7279f660e5ab05d79d40477e2&x=48&y=48&forceIcon=0",“user”:“Christian”}
{“reqId”:“9OREsbRUlVkXzhm/Ddgg”,“remoteAddr”:“217.86.110.231”,“app”:“core”,“message”:“OC_Image->fixOrientation() Image is not a JPEG.”,“level”:0,“time”:“2016-10-07T20:57:15+00:00”,“method”:“GET”,“url”:"/core/preview.png?file=%2FPhotos%2F2016-10-02+13-46-38+0244.jpg&c=3478c9b7279f660e5ab05d79d40477e2&x=48&y=48&forceIcon=0",“user”:“Christian”}
{“reqId”:“9OREsbRUlVkXzhm/Ddgg”,“remoteAddr”:“217.86.110.231”,“app”:“core”,“message”:“OC_Image->fixOrientation() Orientation: -1”,“level”:0,“time”:“2016-10-07T20:57:15+00:00”,“method”:“GET”,“url”:"/core/preview.png?file=%2FPhotos%2F2016-10-02+13-46-38+0244.jpg&c=3478c9b7279f660e5ab05d79d40477e2&x=48&y=48&forceIcon=0",“user”:“Christian”}
{“reqId”:“9OREsbRUlVkXzhm/Ddgg”,“remoteAddr”:“217.86.110.231”,“app”:“index”,“message”:“Exception: {“Exception”:“OC\PreviewNotAvailableException”,“Message”:“SVG mimetype cannot be rendered”,“Code”:0,“Trace”:”#0 /var/vhosts/com.domain/subs/some/lib/private/Preview.php(809): OC\Preview->getMimeIcon()\n#1 /var/vhosts/com.domain/subs/some/core/ajax/preview.php(66): OC\Preview->showPreview()\n#2 /var/vhosts/com.domain/subs/some/lib/private/Route/Route.php(155) : runtime-created function(1): require_once(’/var/vhosts/de…’)\n#3 [internal function]: __lambda_func()\n#4 /var/vhosts/com.domain/subs/some/lib/private/Route/Router.php(293): call_user_func(’\x00lambda_266’, Array)\n#5 /var/vhosts/com.domain/subs/some/lib/base.php(983): OC\Route\Router->match(’/core/preview.p…’)\n#6 /var/vhosts/com.domain/subs/some/index.php(48): OC::handleRequest()\n#7 {main}",“File”:"/var/vhosts/com.domain/subs/some/lib/private/Preview.php",“Line”:1188}",“level”:3,“time”:“2016-10-07T20:57:15+00:00”,“method”:“GET”,“url”:"/core/preview.png?file=%2FPhotos%2F2016-10-02+13-46-38+0244.jpg&c=3478c9b7279f660e5ab05d79d40477e2&x=48&y=48&forceIcon=0",“user”:“Christian”}

Someone with the same error message:

Error solved.
The gd jpeg support in PHP was not compiled in.