How To Fix /SAPAPO/OO_TR149 - The maximum lot size must be larger than the minimum lot size

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OO_TR -

• Message number: 149

• Message text: The maximum lot size must be larger than the minimum lot size

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OO_TR149 - The maximum lot size must be larger than the minimum lot size ?

  The SAP error message /SAPAPO/OO_TR149 indicates that there is an issue with the lot size configuration in the Advanced Planning and Optimization (APO) module. Specifically, it states that the maximum lot size must be larger than the minimum lot size. This error typically arises during planning activities, such as when creating or adjusting production orders or during the planning run.
  Cause:
  The error occurs due to the following reasons:
  
  Configuration Issue: The maximum lot size (defined in the material master or in the production version) is set to a value that is less than or equal to the minimum lot size.
  Data Entry Error: Incorrect values may have been entered in the material master or in the relevant planning parameters.
  Inconsistent Master Data: There may be inconsistencies in the master data related to the material, such as the production version or the lot size settings.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the lot size settings in the relevant views (e.g., MRP view, Production view).
  Ensure that the maximum lot size is greater than the minimum lot size.
  
  
  
  Adjust Lot Size Settings:
  
  If the maximum lot size is incorrectly set, update it to a value that is greater than the minimum lot size.
  You can do this by using transaction code MM02 to modify the material master.
  
  
  
  Review Production Version:
  
  If applicable, check the production version for the material (transaction code C202).
  Ensure that the lot size settings in the production version are consistent with the material master.
  
  
  
  Check Planning Parameters:
  
  Review any planning parameters that may affect lot size calculations, such as the lot size key in the planning strategy.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, re-run the planning process or create the production order again to see if the error persists.
  
  
  
  Related Information:
  
  Lot Size Types: Understand the different types of lot sizes in SAP, such as fixed lot size, lot-for-lot, and others, to ensure proper configuration.
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  C202: Change Production Version
  
  
  Documentation: Refer to SAP Help documentation for detailed information on lot size settings and their implications in planning.
  
  By following these steps, you should be able to resolve the error and ensure that your lot size settings are correctly configured in SAP APO.