How To Fix MA056 - Only enter units that are maintained in the system

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 056

• Message text: Only enter units that are maintained in the system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA056 - Only enter units that are maintained in the system ?

  The SAP error message MA056 ("Only enter units that are maintained in the system") typically occurs when you are trying to enter a unit of measure (UoM) in a transaction or master data record that is not defined or maintained in the SAP system. This can happen in various contexts, such as when creating or updating material master records, purchase orders, or sales orders.
  Cause:
  
  Undefined Unit of Measure: The unit of measure you are trying to use is not defined in the system.
  Incorrect Configuration: The unit of measure may not be properly configured in the relevant settings.
  Data Entry Error: There may be a typographical error in the unit of measure being entered.
  
  Solution:
  To resolve the MA056 error, you can follow these steps:
  
  
  Check the Unit of Measure:
  
  Verify that the unit of measure you are trying to enter is correct and does not contain any typographical errors.
  
  
  
  Maintain the Unit of Measure:
  
  If the unit of measure is indeed missing, you will need to add it to the system. This can typically be done through the following steps:
  
  Go to the transaction code CUNI (Unit of Measure Maintenance).
  Check if the unit of measure exists. If not, you can create a new entry.
  Ensure that the unit of measure is defined correctly, including its conversion factors if applicable.
  
  
  
  
  
  Check Material Master Data:
  
  If the error occurs while working with material master data, ensure that the material is set up with the correct base unit of measure and that any alternative units of measure are also defined.
  
  
  
  Review Configuration Settings:
  
  If you have access to configuration settings, check the relevant settings in the SAP IMG (Implementation Guide) under:
  
  Logistics - General > Basic Data > Units of Measure.
  
  
  Ensure that the units of measure are properly configured for the relevant application area (e.g., materials management, sales and distribution).
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct unit of measure to use, consult your organization's documentation or reach out to a colleague who is knowledgeable about the specific business processes.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  CUNI: Unit of Measure Maintenance
  MM01: Create Material
  MM02: Change Material
  ME21N: Create Purchase Order
  VA01: Create Sales Order
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit of measure maintenance or error messages.
  
  
  User Roles and Authorizations: Ensure that you have the necessary authorizations to maintain units of measure and material master data.
  
  
  By following these steps, you should be able to resolve the MA056 error and successfully enter the required unit of measure in your SAP transactions.