Whenever I try to upload a file to my wiki (http://spiele.j-crew.de/wiki/Spezial:Hochladen), the upload fails with the following backtrace:
key 'ljg40qoexthbj3vu8f9875e5uspj37n.' is not in a proper format
Backtrace:
#0 /srv/www/mediawiki/code/includes/upload/UploadBase.php(642): UploadStash->stashFile('/tmp/phpoM0taX', Array, NULL)
#1 /srv/www/mediawiki/code/includes/upload/UploadBase.php(654): UploadBase->stashSessionFile(NULL)
#2 /srv/www/mediawiki/code/includes/specials/SpecialUpload.php(367): UploadBase->stashSession()
#3 /srv/www/mediawiki/code/includes/specials/SpecialUpload.php(461): SpecialUpload->showUploadWarning(Array)
#4 /srv/www/mediawiki/code/includes/specials/SpecialUpload.php(192): SpecialUpload->processUpload()
#5 /srv/www/mediawiki/code/includes/SpecialPage.php(580): SpecialUpload->execute(NULL)
#6 /srv/www/mediawiki/code/includes/Wiki.php(245): SpecialPage::executePath(Object(Title))
#7 /srv/www/mediawiki/code/includes/Wiki.php(63): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#8 /srv/www/mediawiki/code/w/index.php(103): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#9 {main}
I tried it with the svg file from http://commons.wikimedia.org/wiki/File:Gtk-dialog-info.svg, feel free to make your own tests on the wiki, if it helps determining the cause.
Version: 1.18.x
Severity: major
URL: http://spiele.j-crew.de/wiki/Spezial:Hochladen