When uploading a file with the UploadWizard extension (d8090e9ad01dcdf098ebe2c47fa6421fbd2c947a of 2014-07-07 REL1_23) this extension (6b330e1407c9b68bc588b70c35474092eb32386b of 2014-06-03 beyond REL1_23) emits the following PHP notices for each information not provided e.g. coordinates, informationFields etc. I am using PHP 5.4 for an MW 1.23.8 instance
PHP Notice: Undefined index: coordinates in /.../extensions/CommonsMetadata/DataCollector.php on line 128, referer: https://www.example.com/wiki/Special:UploadWizard