Error during sbt execution: java.io.FileNotFoundException:

今天在ubuntu下用sbt搭建Project时有如下报错

Project does not exist, create new project? (y/N/s) s
java.io.FileNotFoundException: 
＊＊＊＊/project/build.properties (No such file or directory)
        at java.io.FileOutputStream.open(Native Method)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:209
        at java.io.FileOutputStream.<init>(FileOutputStream.java:160)
        at xsbt.boot.Initialize$.process(Create.scala:44)
        at xsbt.boot.Initialize$.create(Create.scala:24)
        at xsbt.boot.Launch$.parsed(Launch.scala:28)
        at xsbt.boot.Launch$.configured(Launch.scala:21)
        at xsbt.boot.Launch$.apply(Launch.scala:16)
        at xsbt.boot.Launch$.apply(Launch.scala:13)
        at xsbt.boot.Boot$.runImpl(Boot.scala:24)
        at xsbt.boot.Boot$.run(Boot.scala:19)
        at xsbt.boot.Boot$.main(Boot.scala:15)
        at xsbt.boot.Boot.main(Boot.scala)
Error during sbt execution: java.io.FileNotFoundException: 
＊＊＊＊/project/build.properties (No such file or directory)

可是有时候就正常，google了好久，没有答案

最后原因居然是ubuntu权限问题，默认用户不能创建路径，之前是直接用

sbt

命令，如果用

sudo sbt

以管理员权限运行问题就解决了，内牛满面啊