kettle 报错是这样的是什么意思

2023/07/21 10:45:45 - Spoon - ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : 删除: preparing transformation execution failed

2023/07/21 10:45:45 - Spoon - ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : org.pentaho.di.core.exception.KettleException: 

2023/07/21 10:45:45 - Spoon - 无法初始化至少一个步骤.  执行无法开始!

2023/07/21 10:45:45 - Spoon - 

2023/07/21 10:45:45 - Spoon - 

2023/07/21 10:45:45 - Spoon - at org.pentaho.di.trans.Trans.prepareExecution(Trans.java:1157)

2023/07/21 10:45:45 - Spoon - at org.pentaho.di.ui.spoon.trans.TransGraph$29.run(TransGraph.java:4197)

2023/07/21 10:45:45 - Spoon - at java.lang.Thread.run(Thread.java:745)

2023/07/21 10:45:45 - 删除 ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : 错误被检测到!

2023/07/21 10:45:45 - 删除 - ERROR (version 7.1.0.0-12, build 1 from 2017-05-16 17.18.02 by buildguy) : 错误被检测到!