How To Fix /SAPAPO/MAT091 - Specify a minimum quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 091

• Message text: Specify a minimum quantity

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/MAT091 - Specify a minimum quantity ?

  The SAP error message /SAPAPO/MAT091 Specify a minimum quantity typically occurs in the context of Advanced Planning and Optimization (APO) when a user is trying to create or modify a planning object (like a production order, purchase order, or similar) that requires a minimum quantity to be specified, but it has not been provided.
  Cause:
  
  Missing Minimum Quantity: The most common cause of this error is that the minimum quantity field is either left blank or set to zero when the system expects a value.
  Configuration Settings: The configuration settings for the material or product in the APO system may require a minimum quantity to be defined.
  Master Data Issues: The material master data may not have the required minimum quantity set up correctly.
  
  Solution:
  
  Specify Minimum Quantity: When prompted with this error, check the relevant fields in the transaction you are working on and ensure that you specify a valid minimum quantity.
  Check Material Master Data: Go to the material master data in the SAP system and verify that the minimum quantity is defined correctly. You can do this by navigating to the relevant views (like MRP or Purchasing) and checking the minimum quantity settings.
  Review Configuration: If you have access, review the configuration settings in the APO system to ensure that the minimum quantity requirements are set up as intended. This may involve checking the settings in the APO configuration or consulting with a system administrator.
  Consult Documentation: If you are unsure about the required minimum quantity, refer to the documentation or guidelines provided for the specific process you are working on.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM03 (Display Material), MM02 (Change Material), or MD04 (Stock/Requirements List) to check or modify material data.
  User Roles: Ensure that you have the necessary permissions to view and edit material master data.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context or solutions.
  Support: If the issue persists after checking the above, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the /SAPAPO/MAT091 Specify a minimum quantity error and proceed with your planning activities in SAP APO.