How To Fix KC101 - CO-doc. number assignment not possible for bus.trans. &2 in CO area &1

SAP Error Message - Details

• Message type: E = Error

• Message class: KC - Cost Collector

• Message number: 101

• Message text: CO-doc. number assignment not possible for bus.trans. &2 in CO area &1

What causes this issue?

In controlling area &v1&, business transaction &v2& has not been
assigned to a number range.

System Response

CO document numbers cannot be issued.

How to fix this error?

Maintain the number range for CO documents in controlling area &v1&.
Then in the implementation guide (IMG), choose <LS>Controlling ->
General Controlling -> Organization -> Maintain Number Ranges for CO
Documents</>.
Assign business transaction &v2& to a number range group. If required,
create a new number range group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KC101 - CO-doc. number assignment not possible for bus.trans. &2 in CO area &1 ?

  The SAP error message KC101 indicates that there is an issue with the assignment of a CO (Controlling) document number for a business transaction in a specific CO area. This error typically arises when the system is unable to generate a document number for a controlling document due to various reasons.
  Causes of Error KC101
  
  
  Number Range Issues: The most common cause is that the number range for CO documents in the specified CO area is either not defined or has been exhausted. Each CO area has its own number range configuration.
  
  
  Configuration Errors: There may be configuration issues in the controlling area settings, such as missing or incorrect settings for document types or number ranges.
  
  
  Document Type Not Defined: The document type for the transaction may not be defined in the system, or it may not be assigned to the correct number range.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create CO documents, which can lead to this error.
  
  
  System Settings: There may be system settings or parameters that are preventing the creation of new document numbers.
  
  
  Solutions to Error KC101
  
  
  Check Number Ranges:
  
  Go to the transaction code SNRO (Number Range Objects).
  Check the number range object for CO documents (usually CO_DOC or similar).
  Ensure that the number range is defined and that there are available numbers in the range.
  
  
  
  Configure Number Ranges:
  
  If the number range is not defined, you will need to create it. This can be done in the configuration settings under Controlling > General Controlling > Document Numbering.
  Ensure that the number range is assigned to the correct document type and CO area.
  
  
  
  Review Document Types:
  
  Check the configuration for document types in the controlling area to ensure they are correctly set up and linked to the appropriate number ranges.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to create CO documents. This can be checked in the user roles and profiles.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. Sometimes, there are known issues or patches that can resolve the problem.
  
  
  
  System Logs:
  
  Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  SNRO: Number Range Object Maintenance
  OKB9: Maintain Number Ranges for CO Documents
  KAH1: Create CO Area
  KAH2: Change CO Area
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring number ranges and document types in the Controlling module.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  By following these steps, you should be able to identify and resolve the cause of the KC101 error in your SAP system.