How To Fix /SAPAPO/RRP145 - ATP tree for sales order &1, item &2 could not be converted

/SAPAPO/RRP145 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 145

• Message text: ATP tree for sales order &1, item &2 could not be converted

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/RRP145 - ATP tree for sales order &1, item &2 could not be converted ?

  The SAP error message /SAPAPO/RRP145 ATP tree for sales order &1, item &2 could not be converted typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the Availability Check (ATP) for a sales order. This error indicates that the system is unable to convert the ATP tree for the specified sales order and item, which can be due to various reasons.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data related to the sales order or the material.
  Missing Configuration: The configuration for the ATP check might not be set up correctly, leading to issues in processing the ATP tree.
  System Performance Issues: If the system is under heavy load or if there are performance issues, it might fail to process the ATP tree.
  Incorrect Settings in APO: Settings related to the planning area, key figures, or other APO-specific configurations might be