How To Fix KI345 - Processing error in CO interface: Contact SAP

KI345 - Overview

• Message type: E = Error

• Message class: KI -

• Message number: 345

• Message text: Processing error in CO interface: Contact SAP

What causes this issue?

An internal error occurred when setting up the CO document. The SAP
System searched for temporary document number &V2& but did not find it.

System Response

The document cannot be posted.

How to fix this error?

Contact SAP and notify the hotline of the cause of the problem,
including work area "KI" and error number "345".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KI345 - Processing error in CO interface: Contact SAP ?

  The SAP error message KI345, which indicates a "Processing error in CO interface: Contact SAP," typically arises in the context of the Controlling (CO) module when there is an issue with the integration or processing of data between different SAP modules or systems. This error can occur during various processes, such as posting costs, transferring data from other modules (like FI or MM), or during the execution of certain CO transactions.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the relevant master data (e.g., cost centers, internal orders).
  
  Configuration Issues: Incorrect configuration settings in the CO module or related modules can lead to processing errors.
  Authorization Issues: The user may not have the necessary authorizations to perform the action that triggered the error.
  System Bugs: There may be bugs or issues in the SAP system that require a patch or update.
  Interface Problems: If