The operation of the display of maximum force/moment values in the Static output plots has not changed in Version 11. You activate the option and then each successive press of [Enter] displays the next highest value.
We have not heard of any issues with this. Please file an SR so that Tech Support can get back to you on this issue.
Likewise on your input crash, that should not be happening. Again, please file an SR.
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Regards,
Richard Ay - Consultant