How To Fix K9170 - Please define a data column for element "&".

K9170 - Overview

• Message type: E = Error

• Message class: K9 - CO Planning Processor

• Message number: 170

• Message text: Please define a data column for element "&".

What causes this issue?

You defined element &V1& as a distribution key, an action field, and/or
a unit field.
These attribute columns require direct reference to a data column. The
SAP System therefore checks whether a data column with identical
characteristics and characteristic values exists.
There is no such column in your planning layout.

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?

Define a corresponding data column.
An attribute column is best defined with the menu path <ZH>Edit ->
Columns -> Attach add. fields</>.
This ensures consistency with the corresponding data column.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K9170 - Please define a data column for element "&". ?

  The SAP error message K9170, which states "Please define a data column for element '&'", typically occurs in the context of SAP Controlling (CO) when working with reports or data structures that require specific definitions for data columns. This error indicates that the system is expecting a data column definition for a particular element, but it has not been provided.
  
  Cause:
  
  Missing Data Column Definition: The most common cause of this error is that the data column for the specified element has not been defined in the report or data structure you are trying to use.
  
  Configuration Issues: There may be issues in the configuration of the report or the data structure, such as missing settings or incorrect parameters.
  Custom Development: If there are custom reports or enhancements, the error may arise from missing definitions in the custom code.
  
  
  Solution:
  
  
  Define the Data Column:
  
  Go to the relevant configuration area in SAP where the report or data