KS 10.2.0 Unable to open keyword file

I have updated to Katalon Studio 10.2.0 and am now not able to open any of my keyword files. Every file results in an error saying “Unable to open keyword file.” The file does not open, and the tab displays an icon where the file name should be, and another message saying “Failed to create the part’s controls.”

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Please try the following remedy:

  1. Close the Katalon project
  2. Remove the following folders in the project’s folder using Windows Explorer or your favorite editor,
    • .cache
    • bin
    • Libs
  3. Reopen the project

The .cache folder contains the binary class files of your custom Keywords generated previously by the older version Katalon Studio. I guess that possibly the .cache contains something which the newer version Katalon Studio doesn’t like. So you should clean up the .cache and other temporary folders to let Katalon Studio to build the binaries cleanly.

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