Browser automation: Open website failed -->Error message is not understandable

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Hello, dear team:
I tried to use catalytic to open a website.
1st action: Browser: Start session worked.
2nd action: Browser: Navigate browser to URL failed.
The error message is:
<The Open the website (TEST) task could not execute due to the following error:
Failed navigating to URL https://mbwebedi.mahle.com/webedi/jsp/index.jsp: [waitForElementByCss("body",30000)] Element condition wasn't satisfied!>
I don't understand why it failed since the recorded video showed the website was opened actually.

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