How To Fix FF701 - Error in determining posting key & account key &

FF701 - Overview

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 701

• Message text: Error in determining posting key & account key &

What causes this issue?

No posting keys could be found for the account key defined in the tax
calculation procedure.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the following settings in taxes on sales/purchases Customizing.
To do this, choose <PF>Maintain entries</> (<PF>F5</>):
Check or correct the calculation procedure.
Check whether you have specified a valid transaction key in the tax
type used.
If it is a new transaction key, you must first define the posting
rules. Enter the transaction keys in the calculation procedure.

Error message extract from SAP system. Copyright SAP SE.

FF701 - Details

• The SAP error message FF701, which states "Error in determining posting key & account key &," typically occurs during the processing of financial transactions, particularly in the context of posting documents in the Financial Accounting (FI) module. This error indicates that the system is unable to determine the appropriate posting key and account key for the transaction being processed.
  Causes of FF701 Error
  
  
  Missing or Incorrect Configuration: The posting keys or account keys may not be properly configured in the system. This can happen if the keys are not defined for the specific transaction type or if there are inconsistencies in the configuration.
  
  
  Invalid Account Assignment: The account being used in the transaction may not be valid for the type of posting being attempted. For example, if a G/L account is not set up for a specific posting key, this error can occur.
  
  
  Transaction Type Issues: The transaction type being used may not be