When you create a crosstab you essentially create Groups for each of the row elements.
Try creating a single crosstab at the report header that includes [Object1], [Object2], [Object3] as rows, [Month] as column, and [Measure] as the measure.
When you create a crosstab you essentially create Groups for each of the row elements.
Try creating a single crosstab at the report header that includes [Object1], [Object2], [Object3] as rows, [Month] as column, and [Measure] as the measure.