Message type: E = Error
Message class:  /PRA/PN -  
Message number: 031
Message text: Responsibility Functional Area &1 is not valid
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The SAP error message /PRA/PN031 Responsibility Functional Area &1 is not valid typically occurs in the context of the SAP Project System (PS) or related modules where functional areas are defined for responsibilities in project management or financial accounting.
Cause: Invalid Functional Area: The functional area specified (represented by &1 in the error message) does not exist in the system. This could be due to a typo, or the functional area may not have been created or activated in the system.
Configuration Issues: The functional area may not be properly configured in the system settings, or it may not be assigned to the relevant organizational units. Authorization Issues: The user may not have the necessary authorizations to access or use the specified functional area. Data Consistency: There may be inconsistencies in the master data or configuration settings that lead to the functional area being recognized as invalid.
Solution: Check Functional Area: Verify that the functional area specified
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