Issue:

When opening or working with an Autodesk®3ds Max® software file (*.max), the scene displays some or all of the following behaviors:

  • Crashes or fails to open
  • Corrupted scene data
  • Empty helper nodes
  • Unable to save the scene manually
  • Unable to use the Undo function
  • Displays various MAXScript errors
  • Corrupts or removes cameras, lights, and/or materials
  • Forces an auto-save after breaking the scene or when choosing “Don’t Save” when closing
  • Adds itself to an existing script in the MAXscript startup directory
  • Force closes 3ds Max
  • Unable to save V-Ray lights

Read original article about issue and solution on Autodesk Knowledge Network.
Scene file crashes, corrupts scene data, gives Script Controller error or no longer uses the Undo function