How To Fix WB2_ASGT126 - Shadow item &1 &2 cannot be changed. Transf quantity (&3 &4) is negative.

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2_ASGT - Shadow items ans assignments

• Message number: 126

• Message text: Shadow item &1 &2 cannot be changed. Transf quantity (&3 &4) is negative.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2_ASGT126 - Shadow item &1 &2 cannot be changed. Transf quantity (&3 &4) is negative. ?

  The SAP error message WB2_ASGT126 indicates that there is an issue with a shadow item in the context of a transfer order or stock transfer process. Specifically, the error states that the transfer quantity is negative, which is not allowed in this context. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Negative Transfer Quantity: The primary cause of this error is that the system is attempting to process a transfer with a negative quantity. This can happen if there is an attempt to reduce stock levels incorrectly or if there is a mistake in the data entry.
  Shadow Item: The term "shadow item" refers to a temporary or intermediate item in the transfer process that is used for tracking purposes. If the shadow item is in a state that does not allow changes (e.g., it is already processed or locked), you may encounter this error.
  Data Integrity Issues: There may be inconsistencies in the data, such as incorrect stock levels or transfer quantities that do not match the available stock.
  
  Solution:
  
  Check Transfer Quantity: Review the transfer order or stock transfer document to ensure that the transfer quantity is positive. If it is negative, correct it to a positive value.
  Review Shadow Item Status: Check the status of the shadow item. If it is locked or already processed, you may need to reverse or cancel the previous transaction before making changes.
  Data Validation: Ensure that all related data (e.g., stock levels, material master data) is accurate and consistent. This may involve checking inventory levels and ensuring that there are no discrepancies.
  Transaction Logs: Review transaction logs or change documents to identify any recent changes that may have led to this error. This can help in diagnosing the root cause.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling transfer orders and shadow items.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB1B: Transfer posting
  MB1A: Goods withdrawal
  MB1C: Other goods movements
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to make changes to transfer orders and stock movements.
  Consult with SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the WB2_ASGT126 error and successfully process your transfer order.