How To Fix FDT_EXPRESSIONS148 - Column &1: Action column can only be used as result column

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 148

• Message text: Column &1: Action column can only be used as result column

What causes this issue?

In the current decision table, condition column &v1& has an action
assigned. However, for condition columns, only elementary data objects
can be assigned.

System Response

The expression cannot be activated.

How to fix this error?

Make sure that all condition columns of the decision table have an
element data object assigned. You may also want to check if the action
has been assigned to the condition column by accident, but should have
been assigned as a result column. For result columns, assigning an
action is supported.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS148 - Column &1: Action column can only be used as result column ?

  The SAP error message FDT_EXPRESSIONS148 indicates that there is an issue with the configuration of an expression in the context of SAP's Financial Data Management (FDM) or similar modules where expressions are used to define calculations or data manipulations. Specifically, the error states that an "Action column can only be used as a result column," which means that the column you are trying to use in a certain context is not being used correctly.
  Cause:
  The error typically arises when:
  
  You are trying to use an action column in a context where it is not allowed, such as in a condition or as an input for a calculation.
  The action column is defined in a way that it can only be used to display results, not as an input for further calculations or conditions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Expression Configuration: Check the expression where the error occurs. Ensure that the action column is only being used in the result section of the expression and not in any conditions or calculations.
  
  
  Modify the Expression: If you need to use the data from the action column in a calculation, consider creating a separate column that can be used for input purposes. This might involve duplicating the logic or data from the action column into a new column that is not restricted.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources related to the specific module you are working with. This can provide insights into how action columns are intended to be used.
  
  
  Testing: After making changes, test the expression to ensure that it now works without triggering the error.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with a colleague who has experience with the specific module.
  
  
  Related Information:
  
  Action Columns: In SAP, action columns are typically used to perform operations or display results based on certain conditions. Understanding how these columns function within the context of your specific application is crucial.
  Expression Editor: Familiarize yourself with the expression editor in SAP, as it provides tools and guidelines for creating and managing expressions effectively.
  SAP Community: Engaging with the SAP Community can provide additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution that resolves the issue.