Error: Requires ‘org.eclipse.emf 2.6.0’ but it could not be found

Activiti installation error: Jar package missing. Cannot complete the install because one or more required items could not be found. Software being installed: Activiti Eclipse BPMN 2.0 Designer 5.18.0.201508100929 (org. Activiti. Designer. Feature. The feature. Group 5.14.0.201508100929) Missing requirement: Activiti Eclipse BPMN 2.0 Designer 5.18.0.201508100929 (org. Activiti. Designer. Feature. The feature. Group 5.14.0.201508100929) Requires ‘org.eclipse.emf 2.6.0’ but it could not be found.

Solution: in mvnrepository.com/artifact/or… Download the org.Eclipse. emf 2.6.0 jar, copy it to your Eclipse plugin folder, restart Eclipse and install activiti again.