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Error "Unable to load data. An unknown error has occurred" When Navigating to the Projects Tab > EPS View in P6 Web (Doc ID 2690792.1)

Last updated on JUNE 29, 2021

Applies to:

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


  1. After P6 web login and user navigates to Projects tab and EPS view will result in critical error "Unable to load data. An unknown error has occurred." and the EPS view fails to load.
  2. Browser's HAR network traffic captured:  "For Request URL: https://<identifier>-p6<domain name>.com/..../projects/gridData/load - Status Code: 400 Bad Request."
  3. Weblogic Bridge message response: "Failure of Web Server bridge: Internal processing error"




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