How To Fix K6645 - You must enter a sender structure/transfer rule here (long text!)

SAP Error Message - Details

• Message type: E = Error

• Message class: K6 - EC-EIS/EC-BP data basis: Data entry and collection

• Message number: 645

• Message text: You must enter a sender structure/transfer rule here (long text!)

What causes this issue?

You have opted for an update using data transfer. This way you can
avail of all facilities (restructuring, currency conversion etc.). You
must enter a sender structure here.

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?

Create an appropriate sender structure and maintain the transfer rules.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K6645 - You must enter a sender structure/transfer rule here (long text!) ?

  The SAP error message K6645, which states "You must enter a sender structure/transfer rule here," typically occurs in the context of the Controlling (CO) module, particularly when dealing with internal orders, cost centers, or profit centers. This error indicates that the system requires a sender structure or transfer rule to be defined for a specific transaction or configuration.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Sender Structure: The sender structure (such as a cost center, internal order, or profit center) has not been defined in the configuration for the specific transaction you are trying to execute.
  Transfer Rule Not Defined: The transfer rule that links the sender structure to the receiver structure is not set up correctly or is missing.
  Incorrect Configuration: There may be an issue with the configuration settings in the controlling area or the specific cost object.
  
  Solution:
  To resolve the K6645 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings in the SAP system (Transaction code SPRO).
  Navigate to the relevant area in Controlling (e.g., Cost Center Accounting, Internal Orders).
  Ensure that the sender structures and transfer rules are properly defined.
  
  
  
  Define Sender Structure:
  
  If the sender structure is missing, you will need to create it. This can typically be done in the configuration settings under the relevant section (e.g., defining cost centers or internal orders).
  
  
  
  Create/Adjust Transfer Rules:
  
  If transfer rules are not defined, you will need to create them. This involves specifying how costs are transferred from the sender structure to the receiver structure.
  Ensure that the rules are correctly linked to the sender and receiver objects.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to make changes to the configuration or to execute the transaction.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for detailed instructions on how to set up sender structures and transfer rules.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSV5 (for displaying transfer structures) or KSV1 (for creating transfer structures).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Consider visiting SAP community forums or user groups for additional insights and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify and resolve the cause of the K6645 error in your SAP system.