How To Fix WW621 - &

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 621

• Message text: &

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 WW621 - & ?

  The SAP error message WW621 typically relates to issues with the availability of materials in the system, particularly in the context of production planning or inventory management. The message often indicates that there is a problem with the stock levels or the availability of materials required for a production order or a sales order.
  Cause:
  
  Insufficient Stock: The most common cause is that there is not enough stock of the required materials to fulfill the order.
  Incorrect Material Master Data: The material master data may not be set up correctly, leading to discrepancies in stock levels.
  Planning Parameters: Incorrect planning parameters or settings in the material requirements planning (MRP) could lead to availability issues.
  Blocked Stock: The stock may be blocked or reserved for other purposes, preventing it from being used for the current order.
  Lead Time Issues: If the lead times for procurement or production are not correctly defined, it may result in unavailability of materials when needed.
  
  Solution:
  
  Check Stock Levels: Verify the stock levels of the required materials using transaction codes like MB52 or MMBE. Ensure that there is enough stock available.
  Review Material Master Data: Check the material master data for the relevant materials to ensure that all necessary information is correctly maintained.
  Adjust Planning Parameters: Review and adjust the MRP settings and parameters to ensure that they align with the current production and inventory needs.
  Release Blocked Stock: If stock is blocked, investigate the reason for the blockage and take necessary actions to release it if appropriate.
  Update Lead Times: Ensure that lead times for procurement and production are accurately defined in the system to avoid availability issues.
  Run MRP: If changes have been made, run the MRP process again to update the availability of materials.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MD02 (MRP Run), and MB1A (Goods Withdrawal) to help diagnose and resolve the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to the WW621 error message.
  Documentation: Review SAP documentation or help files for more detailed explanations of the error and potential solutions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module (e.g., MM, PP) for further assistance.