How To Fix OM120 - No account assignment was defined

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 120

• Message text: No account assignment was defined

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 OM120 - No account assignment was defined ?

  The SAP error message OM120 ("No account assignment was defined") typically occurs in the context of controlling (CO) or financial accounting (FI) when a transaction is being processed that requires an account assignment, but none has been specified. This can happen in various scenarios, such as when creating a cost center, internal order, or when posting a financial document.
  Causes:
  
  Missing Account Assignment: The most common cause is that the transaction requires an account assignment (like a cost center, internal order, or project) that has not been provided.
  Configuration Issues: There may be configuration issues in the system where the account assignment is not properly set up for the relevant transaction type.
  Master Data Issues: The master data for the relevant cost center, internal order, or project may not be correctly maintained or may be inactive.
  Transaction Type Restrictions: Certain transaction types may have restrictions on account assignments that are not being met.
  
  Solutions:
  
  Provide Account Assignment: Ensure that you are entering the required account assignment in the transaction. This could be a cost center, internal order, or any other relevant account assignment object.
  Check Configuration: Review the configuration settings in the SAP system to ensure that the account assignment is correctly defined for the transaction type you are working with. This may involve checking the controlling area settings or the specific transaction configuration.
  Review Master Data: Verify that the master data for the account assignment objects (like cost centers or internal orders) is correctly set up and active. You can do this by checking the relevant master data transactions (e.g., KS03 for cost centers).
  Consult Documentation: Refer to SAP documentation or help resources for specific transaction types to understand the requirements for account assignments.
  Error Logs: Check the error logs or transaction codes like SLG1 (Application Log) to get more details about the error and its context.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  KS01/KS02/KS03: For creating, changing, and displaying cost centers.
  KO01/KO02/KO03: For internal orders.
  CJ01/CJ02/CJ03: For project definitions.
  
  
  SAP Notes: Search for SAP Notes related to the error message OM120 for any specific patches or updates that may address known issues.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the transaction and access the required account assignment objects.
  
  By following these steps, you should be able to identify the cause of the OM120 error and implement a solution to resolve it.