How To Fix WS814 - Enter a valid posting string (for more information, see table T169A)

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 814

• Message text: Enter a valid posting string (for more information, see table T169A)

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS814 - Enter a valid posting string (for more information, see table T169A) ?

  Certainly! Here's a detailed explanation of the SAP error message WS814: "Enter a valid posting string (for more information, see table T169A)":
  
  Error Message: WS814
  Text: Enter a valid posting string (for more information, see table T169A)
  
  Cause:
  This error occurs when you try to post a document in SAP (usually in Financial Accounting or Asset Accounting) and the system cannot find a valid posting string for the transaction you are attempting. 
  A posting string in SAP defines how the system should post accounting entries for a particular transaction type, company code, and other parameters. It controls the debit and credit accounts, posting keys, and other posting details.
  The system looks up the posting string in table T169A (which stores posting rules for asset accounting transactions). If no valid entry is found for the combination of parameters (such as transaction type, company code, asset class, etc.), the system throws this error.
  
  Where does this happen?
  
  Asset Accounting (FI-AA) postings
  When posting asset transactions like acquisitions, retirements, transfers, depreciation, etc.
  Sometimes during manual postings or automatic postings triggered by other modules
  
  
  Solution:
  
  
  Check Table T169A:
  
  Use transaction SE16N or SE16 to view table T169A.
  Verify if there is a valid posting string defined for the combination of:
  
  Transaction type (e.g., acquisition, retirement)
  Company code
  Asset class
  Other relevant parameters (e.g., depreciation area)
  
  
  
  
  
  Maintain Posting Strings:
  
  If the required posting string is missing, you need to create or correct it.
  Use transaction OAYZ (or navigate via IMG:
  
  Financial Accounting (New) -> Asset Accounting -> Transactions -> Define Posting Strings)
  Define or adjust the posting string for the relevant transaction type and company code.
  
  
  
  Check Configuration Consistency:
  
  Ensure that the asset class and company code are correctly assigned.
  Verify that the transaction type you are using is correctly configured in Asset Accounting.
  Check if the posting keys and accounts assigned in the posting string are valid and active.
  
  
  
  Check Authorization:
  
  Sometimes, missing authorizations can cause issues in posting. Verify user authorizations if applicable.
  
  
  
  Consult SAP Notes:
  
  Search for SAP Notes related to WS814 for any known bugs or patches.
  
  
  
  
  Additional Information:
  
  Table T169A stores the posting rules for asset accounting transactions.
  Posting strings define how the system posts to G/L accounts during asset transactions.
  Incorrect or missing posting strings can block asset postings.
  This error is common after system upgrades or changes in asset accounting configuration.
  Always test changes in a development or quality system before transporting to production.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Missing or invalid posting string in table T169A for the asset transaction being posted.
  
  
  Solution
  Maintain or correct posting strings in transaction OAYZ / table T169A.
  
  
  Where to check
  Table T169A, transaction OAYZ, IMG configuration for Asset Accounting posting strings.
  
  
  Related transactions
  Asset postings, acquisitions, retirements, transfers, depreciation runs.
  
  
  
  
  If you provide the exact transaction type, company code, and asset class you are working with, I can help you identify the exact missing posting string or configuration step.