How To Fix KE/AD819 - Entry aids cannot be copied after derivation

KE/AD819 - Overview

• Message type: E = Error

• Message class: KE/AD -

• Message number: 819

• Message text: Entry aids cannot be copied after derivation

What causes this issue?

Once derivation has been run successfully, no further entry aid can be
copied.

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?

If you want to copy the entry aid you have selected, you must first
cancel derivation.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE/AD819 - Entry aids cannot be copied after derivation ?

  The SAP error message KE/AD819 "Entry aids cannot be copied after derivation" typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with the assignment of cost elements or cost centers in the context of internal orders or cost allocations.
  
  Cause:
  This error message is triggered when you attempt to copy or derive entries in a way that is not allowed by the system. Specifically, it indicates that the system has already performed a derivation process, and as a result, the entry aids (which are used to assist in data entry) cannot be copied or modified further. This can happen in scenarios where:
  
  Derivation Logic: The system has already derived certain values based on predefined rules, and any attempt to copy or modify these derived values is restricted.
  Data Integrity: SAP enforces data integrity rules to ensure that derived values remain consistent and accurate, preventing any changes that could lead