How To Fix /SAPAPO/RSP631 - Error reading the requirements from the where-used list; &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 631

• Message text: Error reading the requirements from the where-used list; &1 &2 &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP631 - Error reading the requirements from the where-used list; &1 &2 &3 ?

  The SAP error message /SAPAPO/RSP631 indicates an issue with reading requirements from the where-used list in the Advanced Planning and Optimization (APO) module. This error typically arises in the context of planning and can be related to various factors, including data inconsistencies, configuration issues, or system performance problems.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that prevent the system from reading the requirements correctly.
  Missing or Incorrect Configuration: The configuration settings for the APO system may not be set up correctly, leading to issues in data retrieval.
  Performance Issues: If the system is under heavy load or if there are performance bottlenecks, it may fail to read the requirements in a timely manner.
  Authorization Issues: The user may not have the necessary authorizations to access the required data.
  Technical Issues: There could be underlying technical issues, such as database problems or issues with the APO application itself.
  
  Solutions:
  
  Check Master Data: Verify that the master data (e.g., materials, resources) is correctly maintained and does not have inconsistencies.
  Review Configuration: Ensure that the configuration settings in the APO system are correct and aligned with the business processes.
  Performance Monitoring: Monitor system performance and check for any bottlenecks. If necessary, optimize the system or schedule jobs during off-peak hours.
  Authorization Check: Ensure that the user encountering the error has the necessary authorizations to access the required data.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require the assistance of a technical consultant.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/RSORDER or /SAPAPO/RSPROD to analyze the requirements and see if there are any discrepancies.
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance, providing them with the error message details and any relevant logs.
  Documentation: Review the SAP documentation related to APO and the specific processes you are working with to ensure compliance with best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.