How To Fix GL540 - Value type 'target' can only be summarized with value type 'plan'

GL540 - Overview

• Message type: E = Error

• Message class: GL - FI-SL Rollup

• Message number: 540

• Message text: Value type 'target' can only be summarized with value type 'plan'

What causes this issue?

You have tried to summarize the value type 'target' without the value
type 'plan'. However, you cannot do so because the planned costs form
the basis for determining the target costs and must therefore also be
summarized.

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?

Check your entry and select the value type 'plan', if necessary.

Error message extract from SAP system. Copyright SAP SE.

GL540 - Details

• The SAP error message GL540 indicates that there is an issue with the value types being used in a financial report or transaction. Specifically, it states that the value type 'target' can only be summarized with the value type 'plan'. This typically occurs in the context of financial planning and reporting, particularly when dealing with budget versus actual comparisons.
  
  Cause:
  
  Incompatible Value Types: The error arises when there is an attempt to summarize or compare different value types that are not compatible. In this case, 'target' values (which may represent forecasted or target figures) cannot be summarized with 'actual' values or other types that are not 'plan'.
  
  Configuration Issues: There may be a configuration issue in the SAP system where the value types are not set up correctly in the controlling area or the financial module.
  Data Entry Errors: Incorrect data entry or selection of value types in reports or transactions can lead to