How To Fix LATP012 - Requirements type &1 does not exist; ATP check not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: LATP - Messages for Package LATP

• Message number: 012

• Message text: Requirements type &1 does not exist; ATP check not possible

Self-Explanatory Message

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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 LATP012 - Requirements type &1 does not exist; ATP check not possible ?

  The SAP error message LATP012 indicates that the system cannot find the specified requirements type during an Available-to-Promise (ATP) check. This can occur in various scenarios, such as during sales order processing, production planning, or inventory management.
  Cause
  The error typically arises due to one of the following reasons:
  
  
  Missing Requirements Type: The requirements type specified in the configuration does not exist in the system. This could be due to incorrect configuration or missing entries in the relevant tables.
  
  
  Incorrect Configuration: The configuration settings for the ATP check may not be set up correctly, leading to the system looking for a requirements type that is not defined.
  
  
  Custom Development: If there are custom developments or enhancements in the ATP logic, they may reference a requirements type that has not been properly defined.
  
  
  Transport Issues: If the system has recently undergone a transport of changes, the requirements type may not have been included or properly activated.
  
  
  Solution
  To resolve the LATP012 error, you can follow these steps:
  
  
  Check Requirements Type Configuration:
  
  Go to the transaction code SPRO (SAP Reference IMG).
  Navigate to Logistics Execution > Availability Check > Define Requirements Types.
  Verify if the requirements type mentioned in the error message exists. If it does not, you may need to create it or correct the configuration.
  
  
  
  Review ATP Check Settings:
  
  Ensure that the ATP check settings are correctly configured for the relevant document types (e.g., sales orders, purchase orders).
  Check the configuration under Sales and Distribution > Basic Functions > Availability Check > Configure Availability Check.
  
  
  
  Check for Custom Code:
  
  If there are any custom enhancements or user exits related to ATP checks, review the code to ensure that it is not referencing a non-existent requirements type.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  If needed, re-transport the missing requirements type or related configuration.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to ATP checks and requirements types for any additional insights or updates.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test ATP check to ensure that the error is resolved.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  SPRO: Access the SAP Reference IMG for configuration.
  MD04: Check stock/requirements list to see how the ATP check is being processed.
  VA01/VA02: Create or change sales orders to trigger the ATP check.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to ATP checks and requirements types.
  
  
  Documentation: Review the SAP Help Portal for detailed information on ATP checks and requirements types.
  
  
  By following these steps, you should be able to identify and resolve the LATP012 error effectively.