How To Fix /SAPAPO/ATP146 - The scheduling index &1 does not exist in the reference table

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 146

• Message text: The scheduling index &1 does not exist in the reference table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP146 - The scheduling index &1 does not exist in the reference table ?

  The SAP error message /SAPAPO/ATP146 indicates that the scheduling index specified in the error message does not exist in the reference table. This error typically occurs in the context of Advanced Planning and Optimization (APO) when the system is trying to access scheduling information for a product that has not been properly set up or has missing data.
  Cause:
  
  Missing Scheduling Index: The scheduling index for the specified product and location does not exist in the system. This can happen if the product has not been properly configured in the APO system.
  Data Transfer Issues: There may have been issues during the data transfer from the ERP system to the APO system, leading to incomplete or missing data.
  Product Not Activated: The product may not be activated for the relevant planning area or may not have been included in the planning run.
  Incorrect Configuration: The configuration settings for the product or the planning area may be incorrect, leading to the absence of the scheduling index.
  
  Solution:
  
  Check Scheduling Index: Verify if the scheduling index for the product and location exists in the system. You can do this by using transaction /SAPAPO/SDP94 or similar transactions to check the product's data.
  Recreate Scheduling Index: If the scheduling index is missing, you may need to recreate it. This can be done by running the relevant planning runs or using the transaction /SAPAPO/SDP94 to regenerate the scheduling index.
  Data Consistency Check: Ensure that the data in the ERP system is consistent and that all necessary data has been transferred to the APO system. You can use transaction /SAPAPO/TSM to check for data inconsistencies.
  Activate Product: If the product is not activated, ensure that it is activated in the relevant planning area. You can do this through the product master data in APO.
  Check Configuration: Review the configuration settings for the product and planning area to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 (to check scheduling index), /SAPAPO/TSM (to check data consistency), and /SAPAPO/MC90 (to check product master data).
  Documentation: Refer to SAP documentation or help guides related to APO and scheduling indices for more detailed information on how to manage and troubleshoot these issues.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to scheduling indices and provide additional solutions or patches.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or APO support team for further assistance.