I have an assembly that consists of the parts and sub-assembly. When I insert sub-assembly weight into properties of the assembly, it changes it to the total assemblies property.

So, i.e., if total assembly is A=B+C, and sub-assembly is C=D+E, with the title block set up to show the weight of each component as B - weight, C - weight. When I enter the weight of C from the properties of this sub-assembly into A assembly, it changes the weight to the weight of an assembly A from the weight of C.

Any idea please?