How To Fix BB126 - Account assignment category & for field & has not been maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: BB - Coding Block

• Message number: 126

• Message text: Account assignment category & for field & has not been maintained

What causes this issue?

The field &V2& in <DS:GLOS.3528EA71E8A0556FE10000009B38F983>account
assignment category</> &V1& has been set as an optional or required
entry.

How to fix this error?

Before you can delete the field you must set it to "Suppress" in all
the account assignment categories (<DS:TRAN.OME9>execute function</>).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BB126 - Account assignment category & for field & has not been maintained ?

  The SAP error message BB126 indicates that the account assignment category for a particular field has not been maintained. This error typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions, where specific account assignment categories are required for proper processing.
  Cause:
  
  Missing Account Assignment Category: The account assignment category is not defined for the item in the purchasing document. This can happen if the item is expected to have a specific account assignment (like cost center, internal order, etc.) but none has been provided.
  Configuration Issues: The configuration settings in the SAP system may not be set up correctly, leading to the requirement for an account assignment category not being fulfilled.
  Data Entry Errors: Users may have missed entering the required account assignment information when creating or modifying the purchasing document.
  
  Solution:
  
  
  Check Account Assignment Category: Ensure that the account assignment category is correctly specified for the item in the purchasing document. You can do this by:
  
  Opening the relevant purchasing document (e.g., purchase order).
  Navigating to the item details and checking the account assignment category field.
  If it is blank or incorrect, enter the appropriate account assignment category.
  
  
  
  Maintain Required Fields: If the account assignment category is required for the document type you are working with, make sure to fill in all necessary fields related to that category (e.g., cost center, internal order, etc.).
  
  
  Review Configuration: If the issue persists, review the configuration settings in the SAP system:
  
  Go to the SPRO transaction (SAP Project Reference Object) and navigate to the relevant configuration for purchasing.
  Check the settings for account assignment categories and ensure they are correctly defined for the document types you are using.
  
  
  
  User Training: Ensure that users are trained on the importance of maintaining account assignment categories and the required fields when creating purchasing documents.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like ME21N (Create Purchase Order), ME22N (Change Purchase Order), or ME23N (Display Purchase Order) to access and modify purchasing documents.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to account assignment categories and error messages.
  Documentation: Refer to SAP documentation or help files for detailed information on account assignment categories and their usage in purchasing processes.
  
  By following these steps, you should be able to resolve the BB126 error and ensure that the necessary account assignment information is maintained in your purchasing documents.