Hello everyone! I am trying to perform a two stage dynamic impact analysis. I follow the procedure of the Abaqus manual regarding restart analysis with Abaqus/Explicit. However when I proceed to the second stage I get the following error:"Invalid Restart Step: Impact.  Change the Model attribute to a valid analysis Step". Impact is the name of the dynamic-explicit step of the first stage analysis. Can anyone tell me what am I doing wrong? Thanks in advance!