How To Fix SIW109 - Table type &2: Illegal key category &3 for operation code &1

SIW109 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 109

• Message text: Table type &2: Illegal key category &3 for operation code &1

What causes this issue?

The value for the operation code is &v1& which don't matches to the
value for KEYKIND &v3&.

System Response

The feasibility check of table type object contains errors which
prevents its generation. For more information, see
<DS:TX.DDDOC_ACCMODE_KEYKIND>here</>.

How to fix this error?

Please correct the definition of Table Type with Object ID &v2& in your
configuration class.

Procedure for System Administrators

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 SIW109 - Table type &2: Illegal key category &3 for operation code &1 ?

  The SAP error message SIW109 indicates that there is an issue with the key category of a table type in the context of an operation code. This error typically arises in scenarios involving ABAP programming, particularly when dealing with internal tables and their definitions.
  
  Cause:
  The error message SIW109 is triggered when:
  
  An operation is attempted on a table type that has an illegal key category. This can happen if the table is defined with a key that is not allowed for the specific operation being performed.
  The operation code specified in the error message is not compatible with the key category of the table type being used.
  
  
  Solution:
  To resolve the SIW109 error, you can take the following steps:
  
  
  Check Table Type Definition: Review the definition of the table type (the type of internal table) you are using. Ensure that the key category is appropriate for the operation you are trying to perform. For example, if