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

KK302 - Overview

• 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