# ** Error: (vsim-7) Failed to open SDF file "div_min_1200mv_0c_v_fast.sdo" in read mode.
# No such file or directory. (errno = ENOENT)
# ** Error: (vsim-SDF-3445) Failed to parse SDF file "div_min_1200mv_0c_v_fast.sdo".
#    time: 0 ps  Iteration: 0  Region: /div_tb  File: E:/QuartusProject/div/simulation/modelsim/div_tb.v
# Error loading design

谢了