How To Fix KM551 - Document type &1 is not allowed for actual postings

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 551

• Message text: Document type &1 is not allowed for actual postings

What causes this issue?

You have entered a document type that is not allowed for actual
postings.

How to fix this error?

Choose a document type that is allowed for actual postings.
<DS:TRAN.GCBX>Allowed document types</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM551 - Document type &1 is not allowed for actual postings ?

  The SAP error message KM551, which states "Document type &1 is not allowed for actual postings," typically occurs in the context of the Controlling (CO) module when trying to post actual costs or transactions using a document type that is not configured for actual postings.
  Cause:
  
  Document Type Configuration: The document type you are trying to use for posting is not set up to allow actual postings in the system. This can happen if the document type is configured only for planning or statistical postings.
  Posting Period: The posting period may be closed, and the system does not allow postings for that period.
  Authorization Issues: The user may not have the necessary authorizations to post using the specified document type.
  Transaction Type Restrictions: Certain transaction types may have restrictions on the document types that can be used for actual postings.
  
  Solution:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for document types in the SAP system (Transaction code: OBA7 or SPRO).
  Verify that the document type you are trying to use is allowed for actual postings. If not, you may need to adjust the configuration or use a different document type that is allowed.
  
  
  
  Review Posting Period:
  
  Check if the posting period is open. You can do this by navigating to the transaction code OB52 to view and adjust the posting periods.
  Ensure that the period you are trying to post to is open for actual postings.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to post using the specified document type. This can be checked with the help of your SAP security team.
  
  
  
  Use Correct Transaction Type:
  
  If you are using a specific transaction type, ensure that it is compatible with the document type you are trying to use. You may need to consult with your SAP CO consultant to verify this.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OBA7: Document Type Configuration
  OB52: Posting Periods
  KSB1: Display Actual Line Items
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review SAP documentation related to Controlling and document types for further insights into configuration and usage.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the Controlling module for further assistance.