How To Fix /SAPAPO/ATP023 - Quantity unit &1 could not be found

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 023

• Message text: Quantity unit &1 could not be found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP023 - Quantity unit &1 could not be found ?

  The SAP error message /SAPAPO/ATP023 Quantity unit &1 could not be found typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to recognize or find the specified quantity unit for a material or product in the system. This can happen during various processes, such as during the availability check or when processing a sales order.
  Causes:
  
  Missing Unit of Measure (UoM): The specified quantity unit (e.g., pieces, kilograms) is not defined in the system for the material in question.
  Incorrect Configuration: The material master data may not be correctly configured, leading to the absence of the required unit of measure.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings between different SAP modules (e.g., between SAP ERP and SAP APO).
  Transport Issues: If the configuration was recently transported from one system to another, the unit of measure may not have been included in the transport.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that the unit of measure is correctly defined for the material in question.
  Ensure that the base unit of measure and any alternative units of measure are correctly set up.
  
  
  
  Define Missing Units of Measure:
  
  If the unit of measure is indeed missing, you can define it in the system. This can be done through transaction code CUNI (Unit of Measure) to create or modify units of measure.
  
  
  
  Check Configuration in APO:
  
  Ensure that the configuration in APO is consistent with the settings in the ERP system. This includes checking the settings in the APO system for the relevant product and ensuring that the unit of measure is defined.
  
  
  
  Synchronize Data:
  
  If there are discrepancies between systems, consider running the relevant synchronization jobs to ensure that the data is consistent across SAP ERP and SAP APO.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport request to ensure that all necessary objects, including units of measure, were included.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific error message for any additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  CMM1: Maintain Unit of Measure for Material
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  APO Configuration: Familiarize yourself with the configuration settings in APO, especially those related to product master data and availability checks.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.