How To Fix DT064 - Structure change at field level (convert table &)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 064

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

What causes this issue?

The structure of the table changed at field level. This change requires
a conversion of the table. This situation can occur for example if the
data type or field length of the domain upon which the field is based
was changed. A conversion is also generally necessary if the key of the
table 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?

Convert the table using the Database Utility (SE14).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT064 - Structure change at field level (convert table &) ?

  The SAP error message DT064, which indicates a "Structure change at field level (convert table &)," typically arises during the process of modifying a database table or structure in the SAP system. This error can occur when there are inconsistencies or issues related to the data dictionary objects, particularly when a field in a structure or table is altered, and the system is unable to reconcile these changes with existing data or references.
  Causes of DT064 Error
  
  
  Field Modification: Changes made to the fields of a structure or table, such as changing the data type, length, or attributes, can lead to this error if the system cannot automatically adjust the related database objects.
  
  
  Inconsistent Data Dictionary: If there are inconsistencies in the data dictionary, such as missing or outdated references, this can trigger the error.
  
  
  Active Database Objects: If there are active database objects (like views, indexes, or foreign key relationships) that depend on