How To Fix /SAPAPO/MAT176 - Maximum lot size must be a multiple of the rounding value

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 176

• Message text: Maximum lot size must be a multiple of the rounding value

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 /SAPAPO/MAT176 - Maximum lot size must be a multiple of the rounding value ?

  The SAP error message /SAPAPO/MAT176 indicates that there is an issue with the configuration of the maximum lot size in relation to the rounding value for a material in the Advanced Planning and Optimization (APO) module. Specifically, it means that the maximum lot size defined for a material is not a multiple of the rounding value, which is required for proper planning and execution.
  Cause:
  
  Configuration Mismatch: The maximum lot size set for the material does not align with the rounding value. For example, if the rounding value is set to 10, the maximum lot size should be a multiple of 10 (e.g., 10, 20, 30, etc.).
  Master Data Issues: The material master data may have been incorrectly maintained, leading to this inconsistency.
  Planning Parameters: The planning parameters for the material may not have been set correctly, causing the system to throw this error during planning runs.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record for the affected material.
  Verify the maximum lot size and rounding value settings.
  Ensure that the maximum lot size is a multiple of the rounding value.
  
  
  
  Adjust Maximum Lot Size:
  
  If the maximum lot size is not a multiple of the rounding value, adjust it to the nearest valid multiple.
  For example, if the rounding value is 10 and the maximum lot size is 25, change the maximum lot size to 20 or 30.
  
  
  
  Review Rounding Value:
  
  If necessary, consider adjusting the rounding value to accommodate the existing maximum lot size, but this should be done with caution as it may affect other materials or planning processes.
  
  
  
  Re-run Planning:
  
  After making the necessary adjustments, re-run the planning process to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like MM02 (Change Material) to access and modify the material master data.
  APO Configuration: Review the APO configuration settings related to lot sizing and planning parameters to ensure they are set up correctly.
  Documentation: Refer to SAP documentation or help files for detailed information on lot sizing procedures and best practices in APO.
  
  By addressing the mismatch between the maximum lot size and the rounding value, you should be able to resolve the error and proceed with your planning activities in SAP APO.