MSP Save Failed Error Due to Summary Task with Assignment

Document ID : KB000129049
Last Modified Date : 08/03/2019
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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.
Summary task assignments are not supported in Clarity PPM ,however MSP does allow them. 
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