vaone2019求解器不能使用怎么办

cd19950114

FE intermidate slover为什么一直出现不能启动COSMIC错误，求大佬解答。
1        The DIRCTY environment variable has not been set. No COSMIC or Rayon run possible
2        Could not run launch C:\Program Files\ESI Group\VAOne2019\cosmic.exe