How To Fix OM521 - More than 1 entry as default entry selected for transaction &1

OM521 - Overview

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 521

• Message text: More than 1 entry as default entry selected for transaction &1

What causes this issue?

For transaction &V1&, you have selected more than one entry as the
default entry.

System Response

You may only select one entry for each transaction.

How to fix this error?

Select just one entry as the default entry.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM521 - More than 1 entry as default entry selected for transaction &1 ?

  The SAP error message OM521 indicates that there is more than one default entry selected for a specific transaction, which is causing a conflict. This typically occurs in the context of configuration settings where the system expects a single default entry but finds multiple entries that meet the criteria.
  
  Cause:
  
  Multiple Default Settings: The most common cause of this error is that multiple entries have been marked as default for the same transaction or configuration setting in the system.
  
  Configuration Issues: This can happen if the configuration settings in the relevant module (like Material Management, Sales and Distribution, etc.) have not been set up correctly.
  Data Inconsistency: There may be inconsistencies in the master data or configuration data that lead to multiple defaults being defined.
  
  
  Solution:
  
  
  Check Configuration Settings:
  
  Navigate to the relevant configuration area in SAP (e.g., SPRO) and check the settings for the transaction indicated in the error message.
  Ensure that only one entry is marked