How To Fix KH318 - The variable for characteristic &1 needs to be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 318

• Message text: The variable for characteristic &1 needs to be changed

What causes this issue?

You changed the form &V3& by changing the variable
&V2& for the characteristic &V1& from "Entry optional" to "Entry
mandatory". However, no default value exists for the variable in the
report definition.

System Response

In order to avoid a state which is not allowed, the system had to
terminate the transaction.

How to fix this error?

Since the report no longer exists in its original version due to the
change in the variable, you should check your report definition.

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

Use the transaction "Change report" to do this. Check the settings on
the screen "Variables".
DEFINE &MESSAGE_TYP& = &V4&.

<DS:TRAN.KDNN>Change report</>


<DS:TRAN.KDNN>Change report</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KH318 - The variable for characteristic &1 needs to be changed ?

  The SAP error message KH318, which states "The variable for characteristic &1 needs to be changed," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when working with queries or reports that involve characteristics and variables.
  Cause:
  This error usually arises due to one of the following reasons:
  
  Variable Definition Issues: The variable associated with the characteristic is not defined correctly or is not compatible with the data being queried.
  Missing or Incorrect Values: The variable may require a specific value or range that is not being provided or is incorrect.
  Characteristic Not Active: The characteristic for which the variable is defined may not be active in the current context or may not be included in the query.
  Data Source Changes: Changes in the underlying data source or InfoProvider may lead to inconsistencies with the variables defined in the query.
  
  Solution:
  To resolve the KH318 error, you can take the following steps:
  
  
  Check Variable Definition:
  
  Go to the query definition in the Query Designer.
  Verify the variable settings for the characteristic in question. Ensure that the variable is defined correctly and is set to the appropriate type (e.g., selection, text, etc.).
  
  
  
  Review Characteristic Activation:
  
  Ensure that the characteristic is active and included in the query. If it has been removed or deactivated, you may need to reactivate it.
  
  
  
  Validate Input Values:
  
  Check if the variable requires specific input values. If it does, ensure that the values being passed are valid and meet the expected criteria.
  
  
  
  Update Query:
  
  If there have been changes to the underlying data model or InfoProvider, you may need to refresh or update the query to reflect these changes.
  
  
  
  Test the Query:
  
  After making the necessary adjustments, test the query to see if the error persists. If it does, further investigation may be needed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support resources for additional guidance on handling variables and characteristics in queries.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW/BI query design to better understand how to work with variables and characteristics.
  
  By following these steps, you should be able to identify and resolve the issue causing the KH318 error in your SAP environment.