How To Fix /SAPAPO/ATP231 - Enter special stock indicator

/SAPAPO/ATP231 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 231

• Message text: Enter special stock indicator

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP231 - Enter special stock indicator ?

  The SAP error message /SAPAPO/ATP231 typically indicates that a special stock indicator is required for the operation you are trying to perform in the Advanced Planning and Optimization (APO) module, particularly in the context of Available-to-Promise (ATP) checks.
  
  Cause:
  The error occurs when:
  
  A transaction or process requires a special stock indicator, but it has not been provided.
  The system is configured to expect a special stock indicator for certain stock types (like consignment, project stock, etc.), and the user has not specified one.
  The configuration settings in the system may require a special stock indicator for certain materials or scenarios.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Enter a Special Stock Indicator: When prompted by the error message, you should enter a valid special stock indicator. Common indicators include:
  
  E for consignment stock
  K for project stock
  Q for quality inspection stock
  S for stock in transit
  
  
  
  Check Material Master Data: Ensure that the material master data for