How To Fix M8537 - Entry &2 &3 &4 already exists in Table &1

M8537 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 537

• Message text: Entry &2 &3 &4 already exists in Table &1

What causes this issue?

Entry already exists in the table specified.

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?

INCLUDE ISR_SYSTEMFEHLER

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8537 - Entry &2 &3 &4 already exists in Table &1 ?

  The SAP error message M8537 ("Entry &2 &3 &4 already exists in Table &1") typically indicates that there is an attempt to insert a duplicate entry into a table where unique constraints are enforced. This error is common in scenarios involving master data, configuration settings, or transactional data where unique keys are required.
  
  Cause:
  
  
  Duplicate Data Entry: The most common cause is that the data you are trying to enter already exists in the specified table. This could happen due to:
  
  Manual data entry errors.
  Data being uploaded from external sources (e.g., through LSMW, BAPIs, or other data migration tools) that contain duplicates.
  Concurrent processes trying to insert the same data simultaneously.
  
  
  
  Incorrect Configuration: Sometimes, the configuration settings may not be set up correctly, leading to attempts to create duplicate entries.
  
  
  Data Migration Issues: If you are migrating data from another system, there may be duplicates in the source data that were not cleaned up before migration.
  
  
  
  Solution:
  
  
  Check