How To Fix FF605 - Do not use posting key &2 for document type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FF - FI Function Module Messages

• Message number: 605

• Message text: Do not use posting key &2 for document type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FF605 - Do not use posting key &2 for document type &1 ?

  The SAP error message FF605, which states "Do not use posting key &2 for document type &1," typically occurs during the posting of financial documents in the SAP system. This error indicates that there is a mismatch between the posting key and the document type being used in the transaction.
  Cause:
  
  Posting Key Restrictions: Each posting key in SAP is associated with specific document types. The error occurs when a posting key that is not allowed for the specified document type is used.
  Configuration Settings: The configuration settings in the Financial Accounting (FI) module may restrict certain posting keys for specific document types. This is often set up to enforce business rules or compliance requirements.
  User Error: The user may have mistakenly selected an incorrect posting key for the transaction.
  
  Solution:
  
  
  Check Configuration: Review the configuration settings for posting keys and document types in the SAP system. This can be done by navigating to the following path in the SAP menu:
  
  SPRO ? Financial Accounting ? General Ledger ? Document ? Document Types ? Define Document Types.
  Ensure that the posting key being used is allowed for the specified document type.
  
  
  
  Use Correct Posting Key: If the posting key is indeed restricted for the document type, you will need to select a different posting key that is valid for that document type. Refer to the documentation or consult with your SAP FI consultant to identify the appropriate posting key.
  
  
  User Training: If the error is due to user error, consider providing training or documentation to users on the correct usage of posting keys and document types.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may address this issue or provide additional guidance. You can search for notes related to error message FF605 in the SAP Support Portal.
  
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of transaction being posted (e.g., debit or credit) and the account type (e.g., customer, vendor, asset).
  Document Types: Document types are used to classify accounting documents and control the posting process in SAP. Each document type has specific settings that dictate how transactions are processed.
  Transaction Codes: Familiarize yourself with transaction codes related to document posting, such as FB01 (Post Document), FB50 (G/L Account Document), and others.
  
  By addressing the configuration and ensuring the correct posting key is used, you should be able to resolve the FF605 error message in SAP.