quartus调用modelsim仿真出错

Robin

# ** Error: c:/altera/11.0/quartus/eda/sim_lib/altera_lnsim.sv(2735): (vlog-13006) Could not find the package (altera_lnsim_functions).  Design read will continue, but expect a cascade of errors after this failure.  Furthermore if you experience a vopt-7  error immediately before this error then please check the package names or the library search paths on the command line.  这个是在quartus调用IP内核时调用modelsim仿真出现的错误