How To Fix K0154 - Data sets must not be selected when inserting.

K0154 - Overview

• Message type: E = Error

• Message class: K0 - Error Messages for Central Controlling Routines

• Message number: 154

• Message text: Data sets must not be selected when inserting.

What causes this issue?

You are not allowed to attach any other nodes beneath a data set node
due to the special structure of the set.

System Response

Processing is terminated.

How to fix this error?

Since a data set can only be used in a multi-field group, you can
create a node parallel to this data set by selecting the top node and
using <ZH>Insert</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K0154 - Data sets must not be selected when inserting. ?

  The SAP error message K0154 ("Data sets must not be selected when inserting") typically occurs in the context of SAP Controlling (CO) when you are trying to insert data into a table or a dataset that does not allow for the selection of existing data sets. This error is often related to the way data is being processed in the system, particularly when dealing with cost center accounting, internal orders, or other CO-related transactions.
  
  Cause:
  
  Incorrect Data Entry: The error may arise if you are trying to insert new records while simultaneously selecting existing datasets. The system expects a clear distinction between inserting new data and selecting existing data.
  
  Configuration Issues: There may be configuration settings in the controlling module that restrict the way data can be inserted or selected.
  Program Logic: If you are using a custom program or report, there may be logic that incorrectly handles the insertion of data.
  
  
  Solution:
  
  Check Data Entry: