update your adobe reader application
this error is a problem in the code syntax of the program
if you are getting this after an update then try to reinstall it or restore it back to the previous version that worked till the code problem is identified and a new update is released to fix it.
you can also contact linde about the issue if it is associated with the truck expert program and they can instruct you on how to fix it.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.