How To Fix MSITEM018 - Assign table &1 to a development class

MSITEM018 - Overview

• Message type: E = Error

• Message class: MSITEM - Line Item Display with ALV, RFITEM**

• Message number: 018

• Message text: Assign table &1 to a development class

What causes this issue?

You have not assigned the object <(>&<)>V1<(>&<)> to a development
class and have stated it to be a local object ($TMP).

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?

Select an appropriate development class.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MSITEM018 - Details

• The SAP error message MSITEM018 indicates that a table (in this case, represented by &1) has not been assigned to a development class. This is a common issue in SAP systems, particularly when working with custom development objects.
  
  Cause:
  The error occurs because:
  
  The table you are trying to create or modify is not assigned to a development class. In SAP, development classes (also known as packages) are used to group related objects together and manage their transport between different environments (development, quality assurance, production).
  If a table is not assigned to a development class, it cannot be transported, which is a requirement for many development activities in SAP.
  
  
  Solution:
  To resolve this error, you need to assign the table to a development class. Here are the steps to do this:
  
  
  Open the Table in SE11:
  
  Go to transaction code SE11 (Data Dictionary).
  Enter the name of the table that is causing the error and click on "Display" or