也许是求解器的问题？

点击计算，cmd命令框内总是报错”ANSYS LICENSE MANAGER ERROR:Maximum licensed number of nodelocked users already reached..Dependent feature elec_solve_level1 in AND keyword is not available.“然后退出在icepak内显示”seem like a problem with project“，请问这是我软件安装许可证文件有问题么，该如何解决？谢谢各位大佬！