How To Fix 5E401 - Collision between an absence with an ABAP entry and an ERE absence

5E401 - Overview

• Message type: E = Error

• Message class: 5E - Error messages for Spanish infotypes module pools

• Message number: 401

• Message text: Collision between an absence with an ABAP entry and an ERE absence

Self-Explanatory Message

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5E401 - Details

• The SAP error message 5E401 indicates a collision between an absence that has been recorded in the system (specifically an ABAP entry) and an ERE (Employee Relationship Management) absence. This typically occurs when there are overlapping absence records for the same employee in the system, which can lead to inconsistencies in absence management and reporting.
  
  Cause:
  
  Overlapping Absences: The most common cause of this error is that there are two absence records for the same employee that overlap in time. One record is likely created through an ABAP program or transaction, while the other is created through the ERE module.
  Data Entry Errors: Manual data entry errors can also lead to this situation, where an absence is entered incorrectly, causing overlaps.
  Integration Issues: If there are integrations between different systems (like HR and payroll), discrepancies can arise if the data is not synchronized properly.
  
  
  Solution:
  
  Check Absence Records: Review the absence records for the employee in