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Unable to import MSP XML file created from Microsoft Project, project initially created from a P6 MSP XML (Doc ID 2853899.1)

Last updated on SEPTEMBER 28, 2023

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 21.12 to [Release 21.12]
Primavera P6 Enterprise Project Portfolio Management - Version 20.12 to [Release 20.12]
Information in this document applies to any platform.


After importing a P6 created MSP XML to Microsoft Project and exporting it from Microsoft Project to a new XML file, the file becomes corrupt.

1. When importing the newly created XML file from Microsoft Project back to Microsoft Project, below error is displayed:

    "We're sorry. There seems to be a problem with this file that keeps us from opening it. Please try using a backup copy if available."

2. If imported to P6, the process would fail and below error log is generated in the log file:

    Unexpected EOF in prolog
    at [row,col {unknown-source}]: [3,0]




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