Am 23.05.2011 um 17:37 schrieb Vedran Miletić:

> 2011/5/23 Wolfgang Schuster <schuster.wolfgang@googlemail.com>
> Please send a complete example!
> 
> Sure:
> 
> […]

Add

\defineMPinstance
  [solvers]
  [format=metafun,
   extensions=yes,
   initializations=yes]

before \startMPdefintions or omit the argument (i.e. “{solvers}”)
from the \startMPdefintions command.

Wolfgang