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

/SAPAPO/ATP307 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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