Hi, I am solving a problem with some constrains. At first there is a constraint, that the sum of the percentages must be 1. The single percentage could be in the range from 0,0 to 1. And this is the main constraint. On the other side there are some constrains belonging to stuff of the calculation. It is possible, that this constrains are to strong and the solver can't get a solution. In this Case I want to have an option to get a solution respecting the first constraint. Has anybody an idea of a solution? I think there is no option for a priority of the constrains. kind regards Jan Hendrik Berlin