FM 10 crashes when editing an equation subscript
I obtain the following error message when editing a subscript in an equation:

The error dump is:
=== Header Begin ===
Internal Error: 10024, 7687848, 7688138, 10076935
FrameMaker 10.0.2 for Intel
Build: 10.0.2.419
Window System: MSWindows
Operating System: Windows NT 6.1 (major.minor.build: 6.1.7601 Service Pack 1)
Generated on: 06 March 2012 11:34:15
To file: [REMOVED]\AppData\Roaming\Adobe\FrameMaker\10\FrameLog_12.03.06_11.34.15.txt
=== Header End ===
[Details deleted by host]
Does anyone have any idea on how to fix this?