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Use Formula Is Unavailable for Selection for Summary Calculation in Project User Defined Field Options in P6 Web (Doc ID 2274080.1)

Last updated on JUNE 04, 2019

Applies to:

Primavera P6 Professional Project Management - Version to [Release 8.2 to 17.8]
Primavera P6 Enterprise Project Portfolio Management - Version to [Release 8.2 to 17.8]
Information in this document applies to any platform.


When creating a User Defined Field (UDF), the option of "Use Formula" is an option for the value of "Summary Calculation". If this value is selected, various actions appear to cause it to eventually change to the value of "None", and then the option of "Use Formula" disappears from the available
options. In addition, Use Formula is not always an option when creating new UDF's.


  1. Log into P6 Web
  2. Navigate to Enterprise Data -> Project UDFs
  3. Create a new UDF using the below values:
    • UDF = CPI
    • Data type = Number
    • UDF Type = Formula
    • Summary Calculation = Use Formula


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