在ISE10.1中tb调用 modelsim,说找不到编译库?怎么解决?我用的FFTs的IP核 Instantiation of 'ofdm_fft' failed. The design unit was not found.,怎么解决的,我仿真别的成功了啊?具体错误如下Loading work.ofdm_modu
# ** Error: (vsim-3033) ofdm_modu.v(67): Instantiation of 'ofdm_fft' failed. The design unit was not found.
# Region: /ofdm_modu
# Searched libraries:
# f:\Xilinx\ISE\verilog\mti_se\XilinxCoreLib_ver
# f:\Xilinx\ISE\verilog\mti_se\unisims_ver
# f:\Xilinx\ISE\verilog\mti_se\unimacro_ver
# D:\xilinx_project\ofdm_modem\ofdm_modem\work
# Loading work.glbl
# Error loading design