How To Fix AJ771 - Billing class &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 771

• Message text: Billing class &1 does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AJ771 - Billing class &1 does not exist ?

  The SAP error message AJ771, which states "Billing class &1 does not exist," typically occurs in the context of billing or invoicing processes within the SAP system. This error indicates that the system is trying to reference a billing class that has not been defined or does not exist in the system.
  Cause:
  
  Missing Configuration: The billing class that is being referenced in the transaction or process has not been configured in the system.
  Incorrect Input: The user may have entered an incorrect billing class code or reference.
  Data Migration Issues: If data has been migrated from another system, the billing classes may not have been properly transferred or set up.
  Custom Development: If there are custom developments or enhancements, they may be referencing a billing class that is not defined.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP (Transaction SPRO).
  Navigate to the relevant area for billing (e.g., Sales and Distribution > Billing > Billing Documents > Define Billing Types).
  Verify if the billing class in question is defined. If not, you may need to create it or correct the existing configuration.
  
  
  
  Verify Input:
  
  Double-check the input for the billing class in the transaction where the error occurred. Ensure that the correct billing class code is being used.
  
  
  
  Data Consistency:
  
  If the error occurred after a data migration, ensure that all necessary billing classes were included in the migration process. You may need to re-import or correct the data.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals that pertain to the billing process in your organization to ensure that you are using the correct billing classes.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the table where billing classes are stored, or SE16 to view the data in the relevant tables.
  Tables: The billing class information is typically stored in tables related to billing types, such as TVFK (Billing Document Types).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.