There is a small style bug with "threaded" mode when viewing threads.

This issue has lead to HEXUS disabling threaded mode (as it was in the previous version of VB3 that HEXUS ran.).

However, some are still reporting the script error bug that is associated with it.

The fix is

User CP -> Edit Options -> Thread Display Mode

Select either linear - oldest or linear - newest.

Save and go back to a thread.

The problem will dissapear