This error can be caused when Turnitin is experiencing problems, but it usually is
caused when you change the setting "Allow submission of any file type from NO (the
default) to YES and the student saves/uploads their document in a file type that can
not be displayed in the Grademark screen. You can download the document and view it
with the appropriate software or have the student use a word processing program to
save the file as one of the accepted types, with a different file name.
- Best choices are .Microsoft Word (DOC and DOCX) or PDF
- Students can also save as Plain Text (TXT) or Rich text Format (RTF), but they will
lose some formatting.
If the assignment is still open, and you set it to allow resubmissions until the due
date, they can download their original submission and replace it. If it's past the
due date, and you aren't allowing late submissions, you will have to delete their
original submission and upload the student's document.