How To Fix KQ304 - Maximum number of cost fields reached (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: KQ - Error Messages for Customizing Product Costing

• Message number: 304

• Message text: Maximum number of cost fields reached (&)

What causes this issue?

The maximum number of cost fields defined in the system for saving the
fixed and variable portions of the cost components has now been
exceeded because of the new cost component.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KQ304 - Maximum number of cost fields reached (&) ?

  The SAP error message KQ304, which states "Maximum number of cost fields reached (&)," typically occurs in the context of cost object management, particularly when dealing with cost centers, internal orders, or other cost objects in SAP Controlling (CO) module. This error indicates that the system has reached the limit for the number of cost fields that can be assigned or used in a particular context.
  Cause:
  
  Limit Exceeded: Each cost object in SAP has a predefined limit for the number of cost fields that can be assigned. When this limit is exceeded, the system generates the KQ304 error.
  Configuration Issues: The configuration settings for cost fields in the controlling area or the specific cost object may not be set up correctly, leading to the error.
  Data Entry Errors: Users may inadvertently attempt to enter more cost fields than allowed, either through manual entry or through automated processes.
  
  Solution:
  
  Review Cost Field Configuration: Check the configuration settings for the cost fields in the relevant controlling area or cost object. Ensure that the number of cost fields being used does not exceed the maximum allowed.
  Reduce Cost Fields: If possible, reduce the number of cost fields being assigned to the cost object. This may involve consolidating cost fields or removing unnecessary ones.
  Consult SAP Documentation: Refer to SAP documentation or help resources to understand the specific limits for cost fields in your version of SAP. This can provide insights into how many cost fields are allowed and how to manage them effectively.
  Custom Development: If the business requirement necessitates more cost fields than the system allows, consider discussing with your SAP technical team about potential custom development or enhancements that could accommodate additional fields.
  Contact SAP Support: If the issue persists and cannot be resolved through configuration or data entry adjustments, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items) to analyze cost field usage.
  SAP Notes: Check for any SAP Notes related to KQ304 or cost field limitations that may provide additional context or solutions.
  User Training: Ensure that users are trained on the limitations of cost fields and the proper procedures for entering data to avoid triggering this error.
  
  By addressing the configuration and usage of cost fields, you can resolve the KQ304 error and ensure smoother operations within the SAP Controlling module.