Error Report

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Error Code: 
4
Error Message: 
????
Installable Units Reported: 
org.eclipse.jdt.feature.group,3.13.1.v20170927-0115
Detailed Message: 
Your original request has been modified. "Eclipse CVS Client" is already installed, so an update will be performed instead. "Eclipse Java Development Tools" is already installed, so an update will be performed instead. Cannot complete the install because of a conflicting dependency. Software being installed: Eclipse Project SDK 4.7.1.v20170927-0115 (org.eclipse.sdk.feature.group 4.7.1.v20170927-0115) ????????Eclipse IDE for Java Developers 1.3.1.20100916-1202 (epp.package.java 1.3.1.20100916-1202) Only one of the following can be installed at once: Eclipse Workbench User Guide 3.6.1.r361_v20100825-0800 (org.eclipse.platform.doc.user 3.6.1.r361_v20100825-0800) Eclipse Workbench User Guide 4.7.1.v20170630-0820 (org.eclipse.platform.doc.user 4.7.1.v20170630-0820) Eclipse Workbench User Guide 3.6.0.v20100608 (org.eclipse.platform.doc.user 3.6.0.v20100608) Cannot satisfy dependency: From: Eclipse IDE for Java Developers 1.3.1.20100916-1202 (epp.package.java 1.3.1.20100916-1202) To: org.eclipse.epp.package.java.feature.feature.group [1.3.1.20100916-1202] Cannot satisfy dependency: From: EPP Java Package 1.3.1.20100916-1202 (org.eclipse.epp.package.java.feature.feature.group 1.3.1.20100916-1202) To: org.eclipse.platform.feature.group [3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L] Cannot satisfy dependency: From: Eclipse Platform 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L (org.eclipse.platform.feature.group 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L) To: org.eclipse.platform.doc.user [3.6.1.r361_v20100825-0800] Cannot satisfy dependency: From: Eclipse Platform 4.7.1.v20170927-0115 (org.eclipse.platform.feature.group 4.7.1.v20170927-0115) To: org.eclipse.platform.doc.user [4.7.1.v20170630-0820] Cannot satisfy dependency: From: Eclipse Project SDK 4.7.1.v20170927-0115 (org.eclipse.sdk.feature.group 4.7.1.v20170927-0115) To: org.eclipse.platform.feature.group [4.7.1.v20170927-0115]