How To Fix DT065 - Structure change at field level (convert matchcode &)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 065

• Message text: Structure change at field level (convert matchcode &)

What causes this issue?

The structure of the matchcode changed at field level. This change
makes it necessary to convert the matchcode. This situation can occur
for example if the data type or field length of a domain which is used
in one of the base tables of the matchcode was changed.

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?

Go to the database utility for matchcodes and convert the matchcode
there.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT065 - Structure change at field level (convert matchcode &) ?

  The SAP error message DT065, which indicates a "Structure change at field level (convert matchcode &)," typically arises when there is a mismatch or inconsistency in the data structure of a table or a data element that is being used in a matchcode (also known as a matchcode object or search help). This can occur during various operations, such as data migration, upgrades, or when changes are made to the underlying data structures.
  Cause:
  
  Field Changes: The structure of a table or data element has been modified (e.g., a field was added, removed, or its data type was changed).
  Matchcode Object: The matchcode object that references the changed structure is not updated accordingly.
  Inconsistent Data: There may be existing data that does not conform to the new structure, leading to inconsistencies.
  Transport Issues: If changes were transported from one system to another, there may be discrepancies between the source and target systems.
  
  Solution:
  
  Check Structure Changes: Review the changes made to the data structure or table. Ensure that all relevant matchcode objects are updated to reflect these changes.
  Update Matchcode Objects: If the matchcode object is outdated, you may need to regenerate or adjust it. This can be done using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator).
  Rebuild Matchcode: If necessary, rebuild the matchcode object by deleting and recreating it. This ensures that it aligns with the current structure.
  Data Consistency Check: Perform a consistency check on the data to ensure that it adheres to the new structure. This may involve data cleansing or migration tasks.
  Transport Management: If the issue arose due to transport, ensure that all related objects are included in the transport request and that they are correctly imported into the target system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 for Data Dictionary, SE80 for Object Navigator, and SE37 for function modules that may be related to matchcode objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or solutions based on the version of SAP you are using.
  Documentation: Review SAP documentation regarding matchcode objects and data structure changes for best practices and guidelines.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance, as they may have more insights into the specific configurations and customizations in your SAP environment.