Error Report

Cannot complete the install because of a conflicting dependency.
Software being installed: Ecore Diagram Editor 3.3.0.201706121316 (org.eclipse.emf.ecoretools.design.feature.group 3.3.0.201706121316)
Software currently installed: Eclipse Modeling Tools 1.4.0.20110615-0550 (epp.package.modeling 1.4.0.20110615-0550)
Only one of the following can be installed at once:
Plug-in Development Environment Build Support 3.7.0.v20110512-1320 (org.eclipse.pde.build 3.7.0.v20110512-1320)
Plug-in Development Environment Build Support 3.10.0.v20180512-1217 (org.eclipse.pde.build 3.10.0.v20180512-1217)
Only one of the following can be installed at once:
Eclipse Workbench User Guide 3.7.0.v20110601-0800 (org.eclipse.platform.doc.user 3.7.0.v20110601-0800)
Eclipse Workbench User Guide 4.8.0.v20180531-1055 (org.eclipse.platform.doc.user 4.8.0.v20180531-1055)
Cannot satisfy dependency:
From: Eclipse Modeling Tools 1.4.0.20110615-0550 (epp.package.modeling 1.4.0.20110615-0550)
To: org.eclipse.epp.package.modeling.feature.feature.group [1.4.0.20110615-0550]
Cannot satisfy dependency:
From: Ecore Diagram Editor 3.3.0.201706121316 (org.eclipse.emf.ecoretools.design.feature.group 3.3.0.201706121316)
To: org.eclipse.sirius.properties.feature.feature.group 5.0.0
Cannot satisfy dependency:
From: EPP Modeling Feature 1.4.0.20110615-0550 (org.eclipse.epp.package.modeling.feature.feature.group 1.4.0.20110615-0550)
To: org.eclipse.platform.feature.group [3.7.0.v20110530-9gF7UHNFFt4cwE-pkZDJ7oz-mj4OSEIlu9SEv0f]
Cannot satisfy dependency:
From: EPP Modeling Feature 1.4.0.20110615-0550 (org.eclipse.epp.package.modeling.feature.feature.group 1.4.0.20110615-0550)
To: org.eclipse.sdk.feature.group 3.7.0
Cannot satisfy dependency:
From: PDE Core 3.12.0.v20180516-1159 (org.eclipse.pde.core 3.12.0.v20180516-1159)
To: bundle org.eclipse.pde.build [3.10.0,4.1.0)
Cannot satisfy dependency:
From: Eclipse Plug-in Development Environment 3.7.0.v20110504-0800-7b7qFVpFEx2XnmYtj_9RfO7 (org.eclipse.pde.feature.group 3.7.0.v20110504-0800-7b7qFVpFEx2XnmYtj_9RfO7)
To: org.eclipse.pde.build [3.7.0.v20110512-1320]
Cannot satisfy dependency:
From: Eclipse Platform 3.7.0.v20110530-9gF7UHNFFt4cwE-pkZDJ7oz-mj4OSEIlu9SEv0f (org.eclipse.platform.feature.group 3.7.0.v20110530-9gF7UHNFFt4cwE-pkZDJ7oz-mj4OSEIlu9SEv0f)
To: org.eclipse.platform.doc.user [3.7.0.v20110601-0800]
Cannot satisfy dependency:
From: Eclipse Platform 4.8.0.v20180611-0656 (org.eclipse.platform.feature.group 4.8.0.v20180611-0656)
To: org.eclipse.platform.doc.user [4.8.0.v20180531-1055]
Cannot satisfy dependency:
From: Eclipse Project SDK 3.7.0.v20110426-7Q7xA7DPb31rE2_TcfD-VPkLqq8sfDmLus7XtaSo-7NHB (org.eclipse.sdk.feature.group 3.7.0.v20110426-7Q7xA7DPb31rE2_TcfD-VPkLqq8sfDmLus7XtaSo-7NHB)
To: org.eclipse.pde.feature.group [3.7.0.v20110504-0800-7b7qFVpFEx2XnmYtj_9RfO7]
Cannot satisfy dependency:
From: Eclipse Project SDK 4.8.0.v20180611-0826 (org.eclipse.sdk.feature.group 4.8.0.v20180611-0826)
To: org.eclipse.platform.feature.group [4.8.0.v20180611-0656]
Cannot satisfy dependency:
From: Sirius Viewpoints Specification Editor 6.0.0.201806111309 (org.eclipse.sirius.editor 6.0.0.201806111309)
To: bundle org.eclipse.pde.core 3.8.1
Cannot satisfy dependency:
From: Sirius Properties View Extension Reference Widget Properties 6.0.0.201806111309 (org.eclipse.sirius.editor.properties.ext.widgets.reference 6.0.0.201806111309)
To: bundle org.eclipse.sirius.editor 4.1.0
Cannot satisfy dependency:
From: Sirius Properties Views - Runtime Support 6.0.0.201806111309 (org.eclipse.sirius.properties.feature.feature.group 6.0.0.201806111309)
To: org.eclipse.sirius.editor.properties.ext.widgets.reference [6.0.0.201806111309]