Clearing cookies/etc. might seem to help, but Darryl is correct... it's the content that's triggering the error.
We've been getting changes made based on your examples, but there haven't been many of those submitted.
If you have text that triggers the error please send that as an attachment via support case sent through your
Access the Support Center link in
my.avid.com or
Create A Case under
Account Support at
avid.com/learn-and-support/contact-audio-and-music-support
Thank you!