KeyError
Python 3.10.12: /usr/bin/python3
Mon Aug 12 16:56:43 2024

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /data/www/public_html/submission_system/finalize.py in <module>
     25 
     26 # Get filename here.
=>   27 fileitem = form['filename']
     28 subid = form["ID"].value
     29 
fileitem undefined, form = FieldStorage(None, None, [])
 /usr/lib/python3.10/cgi.py in __getitem__(self=FieldStorage(None, None, []), key='filename')
    526             if item.name == key: found.append(item)
    527         if not found:
=>  528             raise KeyError(key)
    529         if len(found) == 1:
    530             return found[0]
builtin KeyError = <class 'KeyError'>, key = 'filename'

KeyError: 'filename'
      args = ('filename',)
      with_traceback = <built-in method with_traceback of KeyError object>