SAS9.2 点击enterprise miner时出现“ERROR: The SAS Enterprise Miner product with which the procedure is associated is either not licensed for your system or the product license has expired. Please contact your SAS installation representative.”这是属于没有安装EM模块，还是属于安装了没有license？刚入手EM模块，表示不理解，求各路大侠帮忙解答~