How To Fix /SAPAPO/RRP521 - Requirement missing from stock transfer

/SAPAPO/RRP521 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 521

• Message text: Requirement missing from stock transfer

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/RRP521 - Requirement missing from stock transfer ?

  The SAP error message /SAPAPO/RRP521 Requirement missing from stock transfer typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with stock transfer requirements not being met. This error can arise during the planning process, particularly when dealing with stock transfers between locations or plants.
  
  Cause:
  
  
  Missing Requirements: The error indicates that there are requirements for stock transfer that are not being fulfilled. This could be due to:
  
  The stock transfer not being planned correctly.
  The requirements not being generated for the stock transfer.
  Incorrect configuration in the planning settings.
  
  
  
  Planning Version Issues: The planning version being used may not have the necessary data or requirements defined.
  
  
  Master Data Issues: There may be issues with the master data related to the materials, such as:
  
  Incorrect or missing material master records.
  Incorrect location or plant data.
  
  
  
  Stock Availability: The stock required for the transfer may not be available in the source location.
  
  
  
  Solution:
  
  
  Check Requirements: Verify that