至云的avl cruise2015仿真时说有许可证不被承认的错误

问题：至云的avl cruise2015仿真时说有许可证不被承认的错误，即 FLEXible License Manager license DENIED: cruise_rk_std: No such feature exists. Feature:cruise_rk_std License path: C:\Users\lan\Desktop\bishe\CRUISE\avl.dat;D:\ADownload\BaiduNetdiskDownload\avl.dat;license.dat;*.lic; FlexNet Licensing error:-5,357 For further information, refer to the FlexNet Licensing documentation,available at "www.flexerasoftware.com" 怎么解决？