Note: sometimes the offending command will be 'show' or 'xshow' or 'cvi'.
This error is the result of a bad postscript command from a document printed by MacOS.
Try the following:
- Upgrade to the latest version of MacOS,
- Change all the file's fonts to one installed on your laptop,
- Print from Adobe Acrobat (or Acrobat Reader),
- Print from a PC,
- Print from a Mac that is running a different version of MacOS.