How To Fix DT868 - Customer has extended the key of table &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 868

• Message text: Customer has extended the key of table &

What causes this issue?

When the table is analyzed in <DS:TX.DOKU_RADTBFDS_PHASE1>phase 1 of
the adjustment procedure</>, <DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer
fields</> located in the key were found. Since an
<DS:TX.APPEND-STRUKTUR>append</> may not contain any key fields, these
fields were not included in the proposal generated for the append.

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?

The fields in question should be protected against deletion. To do so,
adopt or edit the proposal for the original table generated in
<DS:TX.DOKU_RADTBFDS_PHASE2>phase 2 of the adjustment procedure</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT868 - Customer has extended the key of table & ?

  The SAP error message DT868 indicates that a customer has extended the key of a specific table. This typically occurs when a table has been modified in a way that affects its key fields, which can lead to issues with data consistency or integrity, especially when trying to access or manipulate data in that table.
  Cause:
  
  Key Extension: The primary cause of this error is that the key of the specified table has been extended by a customer. This means that additional fields have been added to the key, which can lead to conflicts with standard SAP functionality or other custom developments.
  Incompatibility: The extension may not be compatible with existing programs, function modules, or data access methods that expect the original key structure.
  Data Dictionary Changes: Changes made in the Data Dictionary (SE11) can lead to inconsistencies if not properly managed.
  
  Solution:
  
  Review Key Extensions: Check the modifications made to the table's key. You can do this by going to transaction SE11 and reviewing the table definition.
  Adjust Custom Code: If you have custom code that interacts with this table, ensure that it is updated to accommodate the new key structure. This may involve modifying SELECT statements, JOINs, or any other data access logic.
  Consult Documentation: If the table is part of a standard SAP module, consult the relevant SAP documentation or notes to understand the implications of the key extension.
  Revert Changes: If the key extension is not necessary, consider reverting the changes to the original key structure, if feasible.
  Testing: After making adjustments, thoroughly test the affected functionality to ensure that the error is resolved and that there are no further issues.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to view and modify table definitions, and SE80 (Object Navigator) to check related objects.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on handling key extensions.
  Custom Development Guidelines: Follow best practices for custom development in SAP to avoid issues with standard objects and ensure compatibility with future updates.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a qualified SAP consultant for further assistance.