How To Fix K1001 - Internal error: transfer parameter '&' not set (&, &)

K1001 - Overview

• Message type: E = Error

• Message class: K1 - Cost Object Controlling Interface

• Message number: 001

• Message text: Internal error: transfer parameter '&' not set (&, &)

What causes this issue?

A system error occurred. Internal transfer parameter &V1& was not set.
The error occurred for object &V2&, costing table item &V3&.

How to fix this error?

Check the log for possible causes, and inform 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 K1001 - Internal error: transfer parameter '&' not set (&, &) ?

  The SAP error message K1001, which states "Internal error: transfer parameter '&' not set (&, &)", typically indicates that there is an issue with the configuration or data transfer parameters in the SAP system, particularly in the context of controlling (CO) or financial accounting (FI) modules.
  
  Cause:
  
  Missing Parameters: The error often arises when certain required parameters for a transaction or report are not set or are incorrectly configured.
  Custom Code Issues: If there are custom programs or enhancements, they might not be handling parameters correctly.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing master data or incorrect settings in the configuration.
  System Bugs: Occasionally, this error can be due to bugs in the SAP system or specific transactions.
  
  
  Solution:
  
  Check Configuration: Review the configuration settings in the relevant modules (CO, FI) to ensure that all necessary parameters are set correctly.
  Review Transaction Data: Ensure that the data being processed is complete