I am using Katalon 8.5.5 and getting this error randomly for all my tests while using pre-built keywords. Getting this below error
java.lang.ClassFormatError: Illegal method name “com.qa.utility.CommonExcelUtil.openExcelFile” in class CustomKeywords
.cache folder in the project. close your project and reopen it.
edit .gitignore file to igore the
Thanks @kazurayam for sharing your views but still facing the same issue.
How about trying to rename the class to
com.qa.utility.CommonExcelUtilTemp and see how it works.