How To Fix /SAPAPO/MSDP_CAP126 - Orders with invalid lot sizes

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_CAP -

• Message number: 126

• Message text: Orders with invalid lot sizes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MSDP_CAP126 - Orders with invalid lot sizes ?

  The SAP error message /SAPAPO/MSDP_CAP126 indicates that there are orders with invalid lot sizes in the Advanced Planning and Optimization (APO) module, specifically in the context of capacity planning. This error typically arises when the lot sizes defined for production or procurement orders do not conform to the rules or constraints set in the system.
  Cause:
  
  Invalid Lot Size Configuration: The lot sizes defined for the orders may not match the allowed lot sizes configured in the material master or in the planning settings.
  Order Quantity Issues: The order quantities may not be multiples of the defined lot sizes, leading to discrepancies.
  Master Data Issues: There may be inconsistencies in the master data, such as the material master or the production version, which can lead to invalid lot sizes.
  Planning Parameters: The planning parameters set in the APO system may not align with the requirements of the orders being processed.
  
  Solution:
  
  
  Check Lot Size Configuration:
  
  Review the lot size settings in the material master (transaction code MM02) and ensure they are correctly defined.
  Verify that the lot sizes are consistent with the requirements of the production or procurement process.
  
  
  
  Adjust Order Quantities:
  
  Modify the order quantities to ensure they are multiples of the defined lot sizes. This can be done in the order management screen or through mass changes if applicable.
  
  
  
  Review Master Data:
  
  Check the relevant master data for the materials involved, including the production version, and ensure that all settings are correct and consistent.
  Ensure that the lot size settings in the material master are appropriate for the production process.
  
  
  
  Update Planning Parameters:
  
  Review and adjust the planning parameters in the APO system to ensure they align with the requirements of the orders.
  This may involve adjusting the planning strategy or other related settings.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for additional insights and troubleshooting steps.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the changes in a development or quality environment before applying them to production.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MD02 (Single-Item, Multi-Level Planning), and C223 (Define Lot Sizes).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional guidance.
  User Forums: Engage with SAP community forums or user groups for shared experiences and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.