B4J Question ABMaterial: Method: getSessionManager not found


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I have downloaded last version of ABMaterial 3.20. B4J 5.82 jServer 2.80.
I created my first application following instruction.

After start exception is raised:
Error occurred on line: 144 (ABMApplication)
java.lang.RuntimeException: Method: getSessionManager not found in: org.eclipse.jetty.server.session.SessionHandler

I tried ServerHelloWorld that uses jserver and it works correctly.