This happened in my eclipse. Unfortunately, the other answers did not help me, but I was able to fix this by manually editing the saved settings of the cvs plugins.
Close Eclipse.
$WORKSPACE/.metadata/.plugins/org.eclipse.team.cvs.ui . $WORKSPACE - , Eclipse.
dialog_settings.xml .
item key="COL_AUTHOR" value ( 100). , Xpath , , //section[@name="org.eclipse.team.internal.ccvs.ui.CVSHistoryTableProvider"]/item[@key="COL_AUTHOR"]/@value
Eclipse, .