Extjs-在sencha应用程序构建期间出错

Question

我正在尝试使用sencha app build压缩我的Ext.js项目并发生此错误：

[ERR] loading page .../sass/example/theme.html
Failed to load page
 
[ERR]
[ERR] BUILD FAILED
[ERR] com.sencha.exceptions.ExProcess: phantomjs process exited with code 100
[ERR]   at com.sencha.util.MethodInvoker$Arguments.invoke(MethodIn
[ERR] voker.java:175)
[ERR]
[ERR] Total time: 1 minute 22 seconds
[ERR] The following error occurred while executing this line:
...\.sencha\app\build-impl.xml:334: The following error occurred while executing this line:

我的sencha cmd版本是v6.2.1.29。 我的EXT JS版本是6.2.0.981。 我已经有了theme.html文件。