How To Fix /SAPAPO/OO_TR307 - Specify a source of supply for external procurement

/SAPAPO/OO_TR307 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OO_TR -

• Message number: 307

• Message text: Specify a source of supply for external procurement

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/OO_TR307 - Specify a source of supply for external procurement ?

  The SAP error message /SAPAPO/OO_TR307 indicates that a source of supply for external procurement has not been specified in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to create or process a procurement order, and the system cannot determine where to source the materials from.
  
  Cause:
  
  
  Missing Source of Supply: The most common cause is that the system does not have a defined source of supply for the material in question. This could be due to:
  
  The source of supply not being maintained in the master data.
  The source of supply being inactive or not valid for the planning period.
  The procurement type not being set correctly in the material master.
  
  
  
  Incorrect Planning Settings: The planning settings may not be configured to allow for external procurement.
  
  
  Data Inconsistencies: There may be inconsistencies in the data related to the material, such as missing or incorrect vendor information.
  
  
  
  Solution:
  To resolve the