How To Fix KO320 - Variance key & does not exist or is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 320

• Message text: Variance key & does not exist or is not allowed

What causes this issue?

You entered a variance key which
does not exist in the system.
can only be used in combination with a
<DS:GLOS.cost_object_hierarchy>cost object hierarchy</>.
You changed the variance key, although variances were already
calculated in the product cost collector.

How to fix this error?

Select a valid variance key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO320 - Variance key & does not exist or is not allowed ?

  The SAP error message KO320, which states "Variance key & does not exist or is not allowed," typically occurs in the context of controlling (CO) when working with variance calculation in SAP. This error indicates that the system cannot find the specified variance key or that the key is not permitted for the operation you are trying to perform.
  Causes of KO320 Error
  
  
  Non-Existent Variance Key: The variance key you are trying to use does not exist in the system. This could be due to a typo or because it has not been defined in the configuration.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the variance key.
  
  
  
  Configuration Issues: The variance key may not be properly configured in the system. This could include settings in controlling area, cost center, or internal order.
  
  
  Incorrect Master Data: The master data related to the cost object (like cost centers or internal orders) may