How To Fix F5817 - Posting key & not defined

F5817 - Overview

• Message type: E = Error

• Message class: F5 - Document Editing

• Message number: 817

• Message text: Posting key & not defined

What causes this issue?

Service financial accounting: posting keyel "&v1&" was not found in
the posting key table. There are two possible causes for this:
posting key "&v1&" has not been defined in FI customizing
the posting key is supplied incorrectly from the calling application

System Response

System error

How to fix this error?

There are two possible solutions:
define posting keys "&v1&" using the FI customizing functions
system error in the calling application - contact the SAP Hotline
service.

Error message extract from SAP system. Copyright SAP SE.

F5817 - Details

• The SAP error message F5817, which states "Posting key & not defined," typically occurs when a user attempts to post a financial transaction using a posting key that has not been defined in the system. Posting keys are essential in SAP as they determine the type of transaction being posted (e.g., debit or credit) and the account types that can be used.
  
  Cause:
  
  Undefined Posting Key: The posting key being used in the transaction is not defined in the system.
  
  Configuration Issues: The posting key may not be configured correctly in the Financial Accounting (FI) module.
  User Error: The user may have mistakenly entered an incorrect posting key.
  
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to the SAP transaction code OB14 (for defining posting keys).
  Verify if the posting key in question is defined. If it is not, you may need to create or modify it.
  Ensure that the posting key is assigned to the correct account types (e.g., asset,