[/w/thumb.php?f=Example.png](https://en.wikipedia.org/w/thumb.php?f=Example.png)
[/w/thumb.php?f=Example.png&h=100](https://en.wikipedia.org/w/thumb.php?f=Example.png&h=100)
[c012c80f] /w/thumb.php?f=Screenshot.png MWException from line 60 of .../mediawiki/includes/media/ImageHandler.php: No width specified to ImageHandler::makeParamString Backtrace: #0 includes/filerepo/file/File.php(929): ImageHandler->makeParamString(array) #1 includes/filerepo/file/File.php(912): File->generateThumbName(string, array) #2 thumb.php(253): File->thumbName(array) #3 thumb.php(35): wfStreamThumb(array) #4 {main}