┌────────────────────┐
 │ File access denied │
 └────────────────────┘

  Reported by │ If This Problem Occurs
 ═════════════╪═══════════════════════════════════════════════════
  Reset or    │ If FileMode allows writing and the name assigned
   Append     │ to the file variable specifies a directory or a
              │ read-only file.
  Rewrite     │ The directory is full, or the name assigned to
              │ the file variable specifies a directory or an
              │ existing read-only file.
  Rename      │ The name assigned to the file variable specifies
              │ a directory, or the new name specifies an
              │ existing file.
  Erase       │ The name assigned to the file variable specifies
              │ a directory or a read-only file.
  MkDir       │ A file with the same name exists in the parent
              │ directory, or there is no room in the parent
              │ directory, or the path specifies a device.
  RmDir       │ The directory isn't empty, or the path doesn't
              │ specify a directory, or the path specifies the
              │ root directory.
  Read or     │ (On a typed or untyped file): The file is not
   BlockRead  │ open for reading.
  Write or    │ (On a typed or untyped file): The file is not
   BlockWrite │ open for writing.