How To Fix /SAPAPO/DEPL_MESS373 - BAdI &1 method returned zero or negative quantity for STO

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DEPL_MESS -

• Message number: 373

• Message text: BAdI &1 method returned zero or negative quantity for STO

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DEPL_MESS373 - BAdI &1 method returned zero or negative quantity for STO ?

  The SAP error message /SAPAPO/DEPL_MESS373 indicates that a Business Add-In (BAdI) method related to Stock Transport Orders (STO) has returned a zero or negative quantity. This typically occurs in the context of Advanced Planning and Optimization (APO) when the system is trying to determine the quantity to be transferred between locations.
  Cause:
  
  BAdI Implementation Logic: The BAdI method that is being called may have been implemented incorrectly, leading to a situation where it returns an invalid quantity (zero or negative).
  Data Issues: There may be issues with the data being processed, such as incorrect or missing information in the STO, master data, or planning data.
  Planning Parameters: The planning parameters or settings may not be configured correctly, leading to unrealistic or invalid quantities being calculated.
  Stock Availability: The system may not have enough stock available to fulfill the STO, resulting in a calculated quantity of zero or negative.
  
  Solution:
  
  Check BAdI Implementation: Review the implementation of the BAdI method to ensure that it correctly calculates and returns a valid quantity. Make sure that the logic accounts for all necessary conditions and data.
  Validate Input Data: Check the input data for the STO, including the source and destination locations, material master data, and any relevant planning data. Ensure that all required fields are populated correctly.
  Review Planning Settings: Examine the planning settings and parameters in the APO system. Ensure that they are configured correctly to allow for proper quantity calculations.
  Stock Availability Check: Verify the stock levels in the relevant locations to ensure that there is sufficient stock available to fulfill the STO. If stock is insufficient, consider adjusting the stock levels or modifying the STO.
  Debugging: If the issue persists, consider debugging the BAdI implementation to trace the logic and identify where the zero or negative quantity is being returned.
  
  Related Information:
  
  BAdI Documentation: Review the documentation for the specific BAdI being used to understand its purpose and expected behavior.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide guidance on this error message.
  Transaction Codes: Use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/OM17 (for stock transport order) to analyze the planning situation and stock levels.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.