How To Fix /SAPAPO/ATP490 - No valid source found for &3/&1/&2

/SAPAPO/ATP490 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 490

• Message text: No valid source found for &3/&1/&2

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 /SAPAPO/ATP490 - No valid source found for &3/&1/&2 ?

  The SAP error message /SAPAPO/ATP490 No valid source found for &3/&1/&2 typically occurs in the Advanced Planning and Optimization (APO) module when the system is unable to find a valid source of supply for a specific product at a given location and date. The placeholders &1, &2, and &3 in the error message represent the product, location, and date, respectively.
  Causes:
  
  Missing Master Data: The product or location may not have been set up correctly in the system. This includes missing or incorrect data in the material master, location master, or source of supply.
  No Valid Source of Supply: There may be no valid source of supply defined for the product at the specified location. This could be due to:
  No procurement proposals or purchase orders available.
  The source of supply is blocked or inactive.
  
  
  Planning Version Issues: The planning version being used may not have the necessary data or may be inactive.
  Time Period Issues: The