Cannot complete installing Google Plugin for eclipse

I am trying to install the Google Plugin in eclipse but I get the follwoing error:

Cannot complete the install because one or more required items could not be found.
Software being installed: Google Plugin for Eclipse 3.6 1.4.2.v201012211742
(com.google.gdt.eclipse.suite.e36.feature.feature.group 1.4.2.v201012211742)
Missing requirement: Google Eclipse 3.6 Platform Plugin 1.4.2.v201012211742 (com.google.gdt.eclipse.platform.e36 1.4.2.v201012211742) requires 'bundle org.eclipse.equinox.p2.operations 0.0.0' but it could not be found
Cannot satisfy dependency: From: Google Plugin for Eclipse 3.6 1.4.2.v201012211742 (com.google.gdt.eclipse.suite.e36.feature.feature.group 1.4.2.v201012211742)
To: com.google.gdt.eclipse.platform.e36 [1.4.2.v201012211742]

Please help

The App Engine documentation is old, that is the problem. There are newer releases of the API:

• http://dl.google.com/eclipse/plugin/3.3
• http://dl.google.com/eclipse/plugin/3.4
• http://dl.google.com/eclipse/plugin/3.5
• http://dl.google.com/eclipse/plugin/3.6
• http://dl.google.com/eclipse/plugin/3.7
• http://dl.google.com/eclipse/plugin/4.2

Try the one that suits your IDE.