I want to delete the class assignment for a material and assign a different class.
But I am getting the below error when I am attempting to delete the assignment in CL20N (in MM02 as well)
Assignment Mat X Class name 1 cannot be deleted
Message no. CL551
Material Mat X is a component in a BOM. In the item data of
this BOM component, you have entered the class type which is used to
classify the material.
You can enter the class type of a BOM component if you want to use the
classification data of a material as a selection condition in variant
Please throw your inputs on how to change the assignment.