Guilin Sun
Ansys Employee

The main cause of such issue is, the mesh is changed in the sweep. The dataset from sweep must be the same during sweep in order to output. If the monitor size is changed, it cannot form a steady matrix.

Most likely it is due to the change of the geometry. If this is the case, you can use an override mesh on the geometry to cover its largest sizes so during the sweep, the mesh does not change. Please try.