How To Fix WS886 - Posting keys are allowed only with certain posting types

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 886

• Message text: Posting keys are allowed only with certain posting types

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Posting keys can be used for the posting types listed below:
Standard
3 With Special General Ledger Indicator
4 Against Special General Ledger
5 Partner to Partner

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS886 - Posting keys are allowed only with certain posting types ?

  Certainly! Here's a detailed explanation of the SAP error message WS886: "Posting keys are allowed only with certain posting types" including its cause, solution, and related information.
  
  SAP Error Message: WS886
  Text: Posting keys are allowed only with certain posting types
  
  Cause
  This error occurs during document posting in Financial Accounting (FI) or related modules when the posting key used in the transaction is not valid for the posting type specified.
  
  Posting keys in SAP define the type of line item (debit or credit) and control the field status during document entry.
  Posting types define the nature of the posting (e.g., invoice, payment, credit memo).
  The system checks if the posting key is allowed for the posting type being processed.
  If the posting key is not configured or allowed for the posting type, the system throws WS886.
  
  Typical scenarios:
  
  Customizing mismatch: The posting key is not assigned to the posting type in configuration.
  User tries to post a document with an incorrect or invalid posting key for the transaction.
  Integration or interface issues where posting keys are incorrectly passed.
  
  
  Solution
  1. Check Posting Key and Posting Type Configuration
  
  Go to SPRO ? Financial Accounting (New) ? Financial Accounting Global Settings ? Document ? Line Item ? Define Posting Keys.
  Verify the posting key used in the transaction.
  Then check the assignment of posting keys to posting types:
  
  Navigate to SPRO ? Financial Accounting (New) ? Accounts Receivable and Accounts Payable ? Business Transactions ? Incoming Invoices/Credit Memos or Outgoing Invoices/Credit Memos ? Assign Posting Keys to Posting Types.
  
  
  Ensure the posting key is assigned to the posting type you are trying to use.
  
  2. Correct the Posting Key in the Transaction
  
  If the posting key is incorrect, correct it in the transaction.
  For example, if you are posting an invoice, use the posting key assigned for invoice debit or credit.
  Check the document entry screen or interface to ensure the correct posting key is used.
  
  3. Adjust Customizing if Needed
  
  If the business process requires a posting key that is not assigned to the posting type, update the customizing to allow it.
  Be cautious and ensure that the posting key is valid for the business process.
  
  4. Check User Exits or BAdIs
  
  Sometimes, user exits or BAdIs may modify posting keys dynamically.
  Check if any custom code is changing posting keys incorrectly.
  
  5. Review Interface or Data Upload Programs
  
  If the posting is done via interface or batch input, verify the data being passed.
  Correct the posting key in the source data or mapping.
  
  
  Related Information
  
  Posting Key (T-code: OB41) — Define and maintain posting keys.
  Posting Type Configuration — Depends on the module and transaction (e.g., FI-AR, FI-AP).
  Document Types and Posting Keys — Document types also influence allowed posting keys.
  Field Status Groups — Posting keys control field status during entry.
  Error Message Class: WS (Financial Accounting)
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS886: Posting keys are allowed only with certain posting types
  
  
  Cause
  Posting key used is not allowed for the posting type in configuration
  
  
  Solution
  Check and correct posting key assignment in customizing and transaction
  
  
  Where to Check
  SPRO ? Financial Accounting ? Document ? Line Item ? Posting Keys and Posting Types
  
  
  Additional
  Review custom code and interface data if applicable
  
  
  
  
  If you provide the exact transaction or scenario where this error occurs, I can help you with more specific steps.