Error Report

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Error Code: 
4
Error Message: 
Operation details
Installable Units Reported: 
org.testng.eclipse.feature.group,6.12.0.201709050550
Detailed Message: 
Your original request has been modified. "TestNG" is already installed, so an update will be performed instead. Cannot complete the install because one or more required items could not be found. Software being installed: TestNG M2E (Maven) Integration (Optional) 6.12.0.201709050550 (org.testng.eclipse.maven.feature.feature.group 6.12.0.201709050550) Missing requirement: TestNG M2E (Maven) Integration 6.12.0.201709050550 (org.testng.eclipse.maven 6.12.0.201709050550) requires 'bundle org.eclipse.m2e.core 1.5.0' but it could not be found Cannot satisfy dependency: From: TestNG M2E (Maven) Integration (Optional) 6.12.0.201709050550 (org.testng.eclipse.maven.feature.feature.group 6.12.0.201709050550) To: org.testng.eclipse.maven [6.12.0.201709050550]