How To Fix KK302 - Internal error: Transaction type & invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 302

• Message text: Internal error: Transaction type & invalid

What causes this issue?

Due to an internal error, the &v1& of the cost estimate was not
possible

System Response

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

How to fix this error?

Please advise your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK302 - Internal error: Transaction type & invalid ?

  The SAP error message KK302 ("Internal error: Transaction type & invalid") typically occurs in the context of controlling (CO) when there is an issue with the transaction type being used in a particular operation, such as during the posting of costs or during the execution of a transaction in the CO module.
  Cause:
  
  Invalid Transaction Type: The transaction type specified in the operation is not recognized by the system. This could be due to a typo, or the transaction type may not be configured in the system.
  Configuration Issues: The transaction type may not be properly defined in the configuration settings of the controlling module.
  Missing Authorizations: The user may not have the necessary authorizations to use the specified transaction type.
  System Bugs: Occasionally, this error can be caused by bugs or inconsistencies in the SAP system.
  
  Solution:
  
  Check Transaction Type: Verify that the transaction type being used is correct. Ensure there are no typos and that it matches the expected format.
  Configuration Review: Go to the configuration settings in the controlling module (Transaction code: OKB9 for transaction types) and ensure that the transaction type is defined and active.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the transaction associated with the specified transaction type. This can be checked with the help of your SAP security team.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error is being triggered. This may require assistance from a technical consultant.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OKB9 (Define Transaction Types) and KSB1 (Cost Centers: Actual Line Items) to help in troubleshooting.
  Documentation: Review SAP documentation related to controlling and transaction types for a better understanding of how they function within the system.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the KK302 error in your SAP system.