How To Fix SIW095 - Table Type &1 contains wrong or missing KEYDEF &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 095

• Message text: Table Type &1 contains wrong or missing KEYDEF &2

What causes this issue?

Value &v2& is not allowed for the <DS><DS:TX.DDDOC_KEYDEF>KEYDEF </>
</>field of table type object &v1&.

System Response

The system aborts the generation of the table type &v1&.

How to fix this error?

Correct the value of KEYDEF. With this field you specify how the key is
defined. This field is optional (if you don't enter a value, the system
uses the default value).
The following values are possible:,,
<LB>D,,</>,,Standard key (Default),,
<LB>T</>,,,,Row Type,,
<LB>G,,</>,,Not specified,,
<LB>K,,</>,,Key components,,

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW095 - Table Type &1 contains wrong or missing KEYDEF &2 ?

  The SAP error message SIW095 indicates that there is an issue with a table type in the SAP system, specifically that it contains a wrong or missing KEYDEF (key definition). This error typically arises in the context of ABAP programming or when working with data dictionary objects.
  Cause:
  
  Missing Key Definition: The table type defined in the ABAP Dictionary does not have a key defined, which is necessary for identifying unique records in the table.
  Incorrect Key Definition: The key definition may be incorrectly specified, leading to inconsistencies when the table type is used in programs or function modules.
  Changes in Data Dictionary: If there have been recent changes to the data dictionary (like renaming fields or changing data types), it may lead to this error if the table type is not updated accordingly.
  Transport Issues: If the table type was transported from one system to another, there might be inconsistencies in the transport that could lead to this error.
  
  Solution:
  
  
  Check Table Type Definition:
  
  Go to the ABAP Dictionary (transaction SE11).
  Look for the table type in question and check its definition.
  Ensure that the key fields are correctly defined and that there are no missing key fields.
  
  
  
  Define or Correct Key Fields:
  
  If the key fields are missing, add the necessary fields to the key definition.
  If the key fields are incorrect, modify them to reflect the correct fields that should be part of the key.
  
  
  
  Activate the Table Type:
  
  After making changes, ensure to activate the table type to apply the changes.
  
  
  
  Check for Dependencies:
  
  If the table type is used in other programs or function modules, check those objects to ensure they are compatible with the updated table type.
  
  
  
  Transport Request:
  
  If the issue arose after a transport, check the transport logs for any errors and ensure that all related objects were transported correctly.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes from SAP that may provide additional context or solutions for this specific error.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If the error occurs during runtime, consider using the debugger to trace where the error is being triggered in the code.
  
  By following these steps, you should be able to resolve the SIW095 error and ensure that your table type is correctly defined and functioning as expected.