Am 01.05.2013 um 20:08 schrieb "Meer, H. van der" <H.vanderMeer@uva.nl>:

> From one moment to the next typesetting in Cambria suddenly gets sour:
> ! Math error: parameter \Umathquad\displaystyle is not set.
> 
> Doing mtxrun --script fonts --reload did not help.
> Any idea what can have cause the trouble? The fact that I have used \showfont a few times, perhaps?

I have no problems with Cambria.

> I am completely in the dark.

Do you have a minimal example which demonstrates the problem.

Wolfgang