Exception when click on Record Mobile button

Hi @muhammad.waseem,

For best compatibility, it’s recommended that you using Katalon Studio 6.1.4 and Appium Server 1.8.1 (or Appium Desktop 1.6.3). Can you please confirm what version of Katalon Studio and Appium you’re using?

Here are some other troubleshooting tips:

Hope this helps,

Chris