How To Fix RP448 - Unable to determine external person ID

RP448 - Overview

• Message type: E = Error

• Message class: RP - Error Messages for Infotype Module Pools

• Message number: 448

• Message text: Unable to determine external person ID

What causes this issue?

The system attempts to generate the external person ID in <ZK>infotype
0709</>.
According to the system settings, the value of the personal
identification number from the Personal Data infotype (P0002-PERID)
should be stored in the external person ID.
Since no personal identification number exists, the system cannot
generate an external person ID in this case.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the system settings and if necessary correct the external person
ID for the current personnel number directly in <ZK>infotype 0709</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RP448 - Unable to determine external person ID ?

  The SAP error message RP448 "Unable to determine external person ID" typically occurs in the context of HR (Human Resources) processes, particularly when dealing with employee data and external identification numbers. This error can arise in various scenarios, such as during payroll processing, data uploads, or when trying to access employee records.
  Causes:
  
  
  Missing Data: The external person ID may not be maintained in the system for the employee in question. This could happen if the employee record was not fully created or if the data was not properly imported.
  
  
  
  Configuration Issues: There may be configuration issues in the system related to the integration of external systems or the mapping of employee IDs.
  
  
  Data Consistency: There could be inconsistencies in the data, such as duplicate entries or incorrect mappings between internal and external IDs.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the external person ID data.
  
  
  Solutions:
  
  
  Check Employee Master Data: Verify