Hello! I'm currently doing a springback analysis on a third-generation steel. So, what I did was:

I created a model, with the tools, the test piece, all the BCs, etc. I ran a job in which a punch pressed the test piece against a die. Then, to "cause" the springback in the test piece, I copied the first model and deleted everything except for the test piece, the surfaces, and some other things. Next, I created a predefined field. When I ran a new job just for that second model, I got this message (the simulation aborted) : 

Surfaces will not be imported when import is used with part instances.

Material/behaviour steel_3rd has been redefined in the current analysis. Care must be taken to ensure that a consistent state can be maintained during the import procedure.

The thing is, I didn't change the material or the surfaces...does anyone know how to fix this?

Abaqus ​​​​​​​