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Error: "Invalid Command Line Parameter. Unterminated String" When Attempting to Open an .XER File by Double Clicking (Doc ID 2291682.1)

Last updated on AUGUST 16, 2017

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version and later
Information in this document applies to any platform.


When attempting to open an .XER file by double clicking it the following error occurs:


Exception Exception in module PM.exe at ...Invalid command line parameter.
Unterminated string: "C:\Program Files\Oracle\Primavera P6\P6 Professional\PM.exe" /import C:\Users\<user>\Desktop\<filename>.xer


  1. Double-click on XER file in a folder while P6 Professional is closed.
  2. Notice the error message (P6 does not prompt for user name and password)


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