java.lang.NullPointerException

[Sud-006]

I run into this issue quite often just before I load my files or as soon as I open FragPipe:

java.lang.NullPointerException: Cannot invoke "String.endsWith(String)" because the return value of "java.io.File.toString()" is null
at org.nesvilab.fragpipe.tabs.TabWorkflow$1.isTraversable(TabWorkflow.java:673)
at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run0(Unknown Source)
at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)

What does this mean and how do I fix this?

Thanks.

[fcyu]

Could you clean the cache and try again?

Thanks,

Fengchao

[Sud-006]

I tried that, but the issue still persists.

[fcyu]

How did you clean the cache?

Thanks,

Fengchao