When I try to read a mpp file attached in this issue, I get this error:
class com.aspose.tasks.TasksReadingException: Project reading exception. —> class com.aspose.tasks.private_.Exceptions.Exception: class com.aspose.tasks.private_.Exceptions.ArgumentException: An element with the same key already exists
But when I export from .mpp to xml file reads it works
I have observed the issue shared by you and have created an issue with ID TASKSJAVA-987 in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be addressed.
I have verified from our issue tracking system and regret to share that at present eh issue is still unresolved as it has been recently created. We request for your patience till the time the issue gets resolved.