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Error to import MPP of Microsoft Project 2016

Version of Aspose Tasks for java: 17.5 jdk 6.
Version of Microsoft Project: 2016 1708 (16.0.8431.2046)

Error to import MPP:
Exception in thread “main” com.aspose.tasks.TasksReadingException: Project reading exception.
at com.aspose.tasks.bqz.a(Unknown Source)
at com.aspose.tasks.cbf.a(Unknown Source)
at com.aspose.tasks.Project.a(Unknown Source)
at com.aspose.tasks.Project.(Unknown Source)
at com.aspose.tasks.Project.(Unknown Source)
at com.aspose.tasks.Project.(Unknown Source)
at br.com.jexperts.test.ImportElapsedDay.main(ImportElapsedDay.java:17)
Caused by: class com.aspose.tasks.private.Exceptions.ArgumentException: element already exists
com.aspose.tasks.private.Collections.Generic.SortedList.a(Unknown Source)
com.aspose.tasks.private.Collections.Generic.SortedList.b(Unknown Source)

Project.mpp.zip (26.1 KB)


Thank you for contacting Aspose support team.

This issue is reproduced and logged under Id: TASKSJAVA-413 for further investigation by the product team. You will be automatically notified once any update is received in this regard.


I have the similar problem: after saving my document in Microsoft Project 2016 (MSO 16.0.8528.2126 32-bit) and trying to create Project using Aspose API I get errors (logs and file are attached).

Is this the same problem?

Logs and File.zip (65.4 KB)


Thank you for writing to Aspose support team and providing sample mpp file. We have forwarded this file to the product team for their consideration and will write back here as soon as some feedback is received.