How To Fix M3299 - Min. lot size and max. lot size reset (unnecessary here)

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 299

• Message text: Min. lot size and max. lot size reset (unnecessary here)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3299 - Min. lot size and max. lot size reset (unnecessary here) ?

  The SAP error message M3299, which states "Min. lot size and max. lot size reset (unnecessary here)," typically occurs in the context of material requirements planning (MRP) or production planning when there is a discrepancy in the lot size settings for a material. This error indicates that the system is trying to reset the minimum and maximum lot sizes for a material, but it finds that this action is unnecessary based on the current configuration or settings.
  Cause:
  
  
  Lot Size Configuration: The error often arises when the lot size settings for a material are not properly configured. This can happen if the minimum lot size is set to a value that is greater than the maximum lot size, or if the settings are inconsistent with the production or procurement processes.
  
  
  MRP Settings: If the MRP settings for the material are not aligned with the lot size settings, it can lead to this error. For example, if the MRP run is trying to generate a procurement proposal that does not adhere to the defined lot sizes.
  
  
  Material Master Data: Issues in the material master data, such as incorrect entries in the lot size fields or missing information, can also trigger this error.
  
  
  Solution:
  
  
  Check Lot Size Settings: Review the lot size settings in the material master (transaction code MM02) under the MRP view. Ensure that the minimum lot size is less than or equal to the maximum lot size.
  
  
  Review MRP Parameters: Check the MRP parameters for the material to ensure they are correctly set. This includes reviewing the lot size type and ensuring it aligns with the production or procurement strategy.
  
  
  Adjust Material Master Data: If there are inconsistencies in the material master data, correct them. Make sure that all relevant fields are filled out correctly and that there are no conflicting settings.
  
  
  Run MRP Again: After making the necessary adjustments, run the MRP process again to see if the error persists.
  
  
  Consult Documentation: If the issue continues, refer to SAP documentation or consult with your SAP support team for further troubleshooting steps.
  
  
  Related Information:
  
  Transaction Codes: MM02 (Change Material), MD01 (MRP Run), MD02 (MRP for Single Material).
  Lot Size Types: Understand the different lot size types available in SAP (e.g., fixed lot size, lot-for-lot, etc.) and how they impact MRP.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on lot size configurations.
  
  By following these steps, you should be able to resolve the M3299 error and ensure that your lot size settings are correctly configured for your materials.