How To Fix DT234 - Field & of type & must be in the final position

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 234

• Message text: Field & of type & must be in the final position

What causes this issue?

The table contains a long field (data type LCHR or LRAW). Long fields
must be located at the end of the table. This is not the case in this
table.

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?

You must change the field sequence so that the long field is located at
the very end of the field list. Please note that a table may contain
only one long field. A long field must have a preceding length field of
type INT4.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT234 - Field & of type & must be in the final position ?

  The SAP error message DT234, which states "Field & of type & must be in the final position," typically occurs in the context of data structures, particularly when defining or modifying data elements, structures, or tables in ABAP Dictionary (SE11) or when working with data types in ABAP programs.
  Cause:
  This error usually arises when a field of a certain type (often a reference field or a field with a specific attribute) is not placed in the expected position within a structure or table definition. In SAP, certain fields must be positioned at the end of a structure or table to maintain data integrity and ensure proper processing.
  Solution:
  To resolve this error, you should:
  
  
  Check the Structure/Table Definition: Go to the ABAP Dictionary (transaction SE11) and review the structure or table where the error is occurring. Ensure that the field mentioned in the error message is placed at the end of the structure or table definition.
  
  
  Rearrange Fields: If the field is not in the final position, move it to the end of the list of fields in the structure or table definition.
  
  
  Activate the Changes: After making the necessary adjustments, activate the structure or table to apply the changes.
  
  
  Test the Changes: Run the program or transaction that was causing the error to ensure that the issue has been resolved.
  
  
  Related Information:
  
  Field Types: Understand the types of fields you are working with. Some fields, like reference fields or certain data types, have specific requirements regarding their position in a structure.
  Documentation: Refer to SAP documentation or help resources for more information on data structure definitions and field positioning rules.
  ABAP Development Guidelines: Familiarize yourself with best practices in ABAP development, especially regarding data definitions and structures.
  
  If you continue to encounter issues after following these steps, consider consulting with a colleague or reaching out to SAP support for further assistance.