Problem with installing GWT

I have huge compatibility issues with Google Plugin and App Engine, I
guess it's the problem of having the new versions:

Cannot complete the request. See the details. Unsatisfied dependency:
[com.google.gdt.eclipse.suite.e34.feature.feature.group
2.2.0.v201102111801] requiredCapability: org.eclipse.equinox.p2.iu/
org.eclipse.wb.core.xml.feature.feature.group/0.9.0 Unsatisfied
dependency: [com.google.gdt.eclipse.suite.e34.feature.feature.group
2.2.0.v201102111801] requiredCapability: org.eclipse.equinox.p2.iu/
org.eclipse.wb.core.xml.feature.feature.group/0.9.0

Someone please help? Thanks!

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