由于多处用到设计参数'DV_1' 出现如下提示,请问怎么解决
ERROR: ---------------------------------------------------------------------
ERROR: More than one entity named 'DV_1' exists (a total of 3).
Enter more names to specify which one.
ERROR: The command was not executed.
ERROR: +1>> for var=.gui.pro_sim.sim_cont_doe.Guess_number_of_runs.var_pnt obj=DV_1
ERROR: ---------------------------------------------------------------------