I am trying to upload the attached images to the database activity module on the QA site to test the various database points, however I can not get any of them to upload.

• menu.png gives the following JSON error in the upload window: "ERROR: Invalid JSON string

Invalid get_string() identifier: 'image/png' or component 'mimetypes'line 5913 of /lib/moodlelib.php: call to debugging()line 6467 of /lib/moodlelib.php: call to core_string_manager->get_string()line 89 of /repository/upload/lib.php: call to get_string()line 271 of /repository/repository_ajax.php: call to repository_upload->upload()

"

• reflected sky 1.resized.jpeg gives "JPEG image filetype cannot be accepted." error

• head_200.gif gives "GIF image filetype cannot be accepted" error.

This doesn't leave many image file types to try...