输出文件中的迷之错误，有人碰到过吗

545404733

can not find the following flow-data file
     in job directory or in the material library:
     F:\marc\marc2016\AF_flowmat\steel.mat
     This is ok if no separate flow-data file is required.
     Otherwise please provide the data file or result
     will be wrong.
请问下，这是什么意思？难道是软件安装完以后缺少文件？

sjs0917

你调用了marc的自带的材料库，结果材料库的文件找不到