How To Fix /SAPAPO/ATP307 - More than one masking indicator (&2,&3) defined for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 307

• Message text: More than one masking indicator (&2,&3) defined for &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP307 - More than one masking indicator (&2,&3) defined for &1 ?

  The SAP error message /SAPAPO/ATP307 indicates that there is a conflict in the configuration of the Advanced Planning and Optimization (APO) system regarding the masking indicators. This error typically arises when more than one masking indicator is defined for a specific product or material in the system.
  Cause:
  The error occurs due to the following reasons:
  
  Multiple Masking Indicators: More than one masking indicator has been defined for the same product or material in the system. Masking indicators are used to control how certain data is displayed or processed in the system.
  Configuration Issues: There may be inconsistencies in the configuration settings related to the product master data or the ATP (Available to Promise) settings.
  Data Duplication: There might be duplicate entries in the configuration tables that define the masking indicators.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for the product in question. You can do this by navigating to the relevant transaction codes in SAP APO.
  Review the masking indicators defined for the product. Ensure that only one masking indicator is assigned.
  
  
  
  Remove Duplicates:
  
  If you find multiple masking indicators assigned to the same product, remove the duplicates. You can do this by editing the product master data or the relevant configuration settings.
  
  
  
  Review Customizations:
  
  If there are any custom developments or enhancements in your SAP system that might affect the masking indicators, review them to ensure they are not causing the conflict.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for guidance on how to properly configure masking indicators in your specific version of SAP APO.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration to ensure that the error no longer occurs.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for further assistance. They can provide insights based on the specific version and configuration of your system.
  
  
  
  Related Information:
  
  Masking Indicators: These are used in the context of ATP checks to determine how certain data should be masked or displayed. Understanding how they work can help in configuring them correctly.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on configuration.
  Transaction Codes: Familiarize yourself with transaction codes related to product master data and ATP configuration, such as /SAPAPO/MAT1 for product master maintenance.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/ATP307 error message.