This means that files with different paths, but identical names are treated as another copy of the same file. mat/.max file list(s) to be processed, the pathing information cannot be carried over to the library. max files paths and names: When the tool builds the. If they are present, the tool doesn't render the preview to disk in order to avoid file writing errors, and the library shows a missing preview file icon.Ģ) Incoming. There are currently two important limitations which should be heeded:ġ) Material names: the following characters aren't allowed in material names: / : \ ? ' | *