MSP Save Failed Error Due to Summary Task with Assignment

Document ID : KB000129049
Last Modified Date : 08/03/2019
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Issue:
When trying to save a project back from MSP (Microsoft Project) to PPM, receive a Project Save Failed error. Reviewing the logs, the error message indicates a summary task assignment.
 
ERROR 2019-02-25 13:24:06,577 [https-jsse-nio-443-exec-18] niku.schedulers (clarity:admin:34851000__1A22A639-091E-4172-BF3F-C481B1BDA9F3:schedulers.postProject) Rolling back transaction: 
java.lang.Exception: Summary task configure test environment(null) cannot have assignments.
Cause:
Summary task assignments are not supported in Clarity PPM ,however MSP does allow them. 
Resolution:
Any assignments on summary tasks in MSP need to be removed before attempting to save the project back to Clarity PPM. 
Additional Information:
Reference KB000044475 - Unable to Save Projects back to PPM from MSP if the Project Team has More than One Instance of the Same Role
Reference KB000005264 - MSP Save Failed error due to task Start or Finish Date issues in MSP
Reference KB000008031 - In MSP, receive a "Save Failed" error referencing a Unique Constraint Violation in the logs
Reference KB000071385 - CA PPM and MSP integration - List of Knowledge Documents
Reference KB000015956 - CA PPM and MSP integration known defects - Support Technical Document Index
Reference KB000100653 - MSP New Driver Project Save Failed Error due to Summary task scheduling issue