How To Fix FB156 - Doc. & record &: Posting key & is not defined in table TBSL

SAP Error Message - Details

• Message type: E = Error

• Message class: FB - Batch Programs

• Message number: 156

• Message text: Doc. & record &: Posting key & is not defined in table TBSL

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FB156 - Doc. & record &: Posting key & is not defined in table TBSL ?

  The SAP error message FB156 indicates that there is an issue with the posting key being used in a financial transaction. Specifically, the error states that the posting key is not defined in the table TBSL, which is the table that contains the definitions for posting keys in the SAP system.
  Cause:
  
  Undefined Posting Key: The posting key you are trying to use in your transaction is not defined in the system. This could happen if the posting key was deleted or if it was never created in the first place.
  Configuration Issues: There may be configuration issues in the Financial Accounting (FI) module, particularly in the area of posting keys.
  Incorrect Transaction Type: The transaction you are trying to perform may not be compatible with the posting key you are using.
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to transaction code OB14 (Define Posting Keys) in SAP.
  Verify if the posting key in question is defined. If it is not, you may need to create it or restore it if it was deleted.
  Ensure that the posting key is configured correctly for the intended use (e.g., debit/credit, account types).
  
  
  
  Review Transaction:
  
  Double-check the transaction you are trying to execute. Ensure that you are using the correct posting key for the type of transaction you are performing.
  If you are using a custom transaction or program, ensure that it is correctly coded to use valid posting keys.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP FI consultant to understand the implications of the posting key and its configuration.
  
  
  
  Check User Authorizations:
  
  Ensure that the user executing the transaction has the necessary authorizations to use the posting key.
  
  
  
  Testing:
  
  After making any changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Posting Keys: Posting keys are two-digit numbers that determine the type of posting (debit or credit) and the type of account that can be posted to. They are essential for the proper functioning of financial transactions in SAP.
  TBSL Table: This table contains the definitions of posting keys, including their characteristics and the types of accounts they can be used with.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to posting keys and error FB156.
  
  If the issue persists after following these steps, it may be necessary to involve your SAP support team or a consultant for further investigation.