Plug-in 'org.eclipse.cdt.ui' contributed an invalid Menu Extension

eclipse.buildId=4.4.2.M20150204-1700
java.version=1.8.0_45
java.vendor=Oracle Corporation
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=zh_CN
Framework arguments: -product org.eclipse.epp.package.java.product -keyring /Users/Ricky/.eclipse_keyring -showlocation
Command-line arguments: -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.java.product -keyring /Users/Ricky/.eclipse_keyring -showlocation

org.eclipse.ui
Error
Sun May 10 20:13:28 CST 2015
Plug-in ‘org.eclipse.cdt.ui‘ contributed an invalid Menu Extension (Path: ‘project/org.eclipse.cdt.ui.prjmenu‘ is invalid): org.eclipse.cdt.ui.wsselection