How To Fix F5255 - Activity & requires debit posting key; correct with FBKP

SAP Error Message - Details

• Message type: E = Error

• Message class: F5 - Document Editing

• Message number: 255

• Message text: Activity & requires debit posting key; correct with FBKP

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 F5255 - Activity & requires debit posting key; correct with FBKP ?

  The SAP error message F5255 indicates that there is an issue with the posting key being used in a financial transaction. Specifically, the message states that the activity requires a debit posting key, and it suggests correcting the issue using transaction FBKP.
  Cause:
  The error typically occurs when:
  
  Incorrect Posting Key: The posting key used in the transaction does not correspond to a debit entry. In SAP, posting keys determine whether a line item is a debit or a credit.
  Configuration Issues: The configuration for the specific activity or transaction may not be set up correctly, leading to the requirement of a debit posting key.
  Transaction Type: The type of transaction being processed may inherently require a debit posting, and the system is not receiving the correct key.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Posting Key:
  
  Review the transaction you are trying to execute and ensure that you are using the correct posting key. For debit entries, the posting key should typically be 40 (for G/L accounts) or 50 (for customer accounts), depending on the context.
  
  
  
  Use Transaction FBKP:
  
  The error message suggests using transaction FBKP, which is used for configuring posting keys. You can check the configuration of the posting keys to ensure they are set up correctly.
  Navigate to FBKP and review the settings for the relevant posting keys. Make sure that the posting key you are using is configured to allow debit postings.
  
  
  
  Adjust Transaction:
  
  If you are using a custom transaction or a specific program, ensure that it is designed to handle the required posting keys correctly. You may need to consult with your SAP functional consultant or developer.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for more information on posting keys and their configurations.
  
  
  
  Testing:
  
  After making any changes, test the transaction again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Posting Keys: In SAP, posting keys are two-digit numbers that control the type of posting (debit or credit) and the account type (G/L, customer, vendor, etc.). Each posting key has specific settings that determine how it behaves in transactions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (G/L account posting), FB01 (post document), and FBKP (configure posting keys) for better navigation and troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message F5255, as there may be updates or fixes provided by SAP.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant for further assistance.