How To Fix WG056 - No unique supply source determined

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 056

• Message text: No unique supply source determined

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 WG056 - No unique supply source determined ?

  Certainly! Here's a detailed explanation of the SAP error message WG056 - No unique supply source determined:
  
  SAP Error Message: WG056 - No unique supply source determined
  
  
  Cause:
  This error occurs during the Goods Issue or Stock Transfer process when the system tries to determine the supply source (storage location or plant) for a material but finds multiple possible supply sources and cannot uniquely identify one.
  In other words, the system is unable to decide from which storage location or plant the material should be issued because:
  
  There are multiple storage locations or plants that can supply the material.
  The system lacks sufficient criteria or configuration to uniquely determine the supply source.
  The supply source determination strategy is ambiguous or incomplete.
  
  
  When does it occur?
  
  During stock transfer postings (e.g., transfer posting from one plant/storage location to another).
  During goods issue for a production order, sales order, or reservation.
  When the system tries to find the source of supply for a