How To Fix DO008 - Key category for ranges table type corrected to non-unique

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 008

• Message text: Key category for ranges table type corrected to non-unique

What causes this issue?

INCLUDE DDDOC_TTYP_RANGE_ATTR OBJECT DOKU ID TX
You set unique or not specified as key category for a ranges table
type.

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 key category of the ranges table type is automatically set to
non-unique.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO008 - Key category for ranges table type corrected to non-unique ?

  The SAP error message DO008 indicates that there is an issue with the key category of a ranges table type in your ABAP program or data dictionary. Specifically, it means that the system has automatically corrected the key category from "unique" to "non-unique" for a range table. This typically occurs when the system detects that the key fields defined for the range table do not meet the criteria for uniqueness.
  Cause:
  
  Key Definition: The range table is defined with a key that is expected to be unique, but the data being processed or the way the key is defined does not guarantee uniqueness.
  Data Issues: There may be duplicate entries in the data that the range table is trying to handle, which violates the uniqueness constraint.
  Incorrect Table Type: The table type may have been incorrectly defined in the data dictionary, leading to the system's automatic correction.
  
  Solution:
  
  Review Key Definition: Check the definition of the range table in the ABAP program or data dictionary. Ensure that the key fields are correctly defined and that they should indeed be unique.
  Check Data for Duplicates: If the range table is being populated with data, verify that there are no duplicate entries that would violate the uniqueness constraint.
  Adjust Table Type: If the range table is not supposed to be unique, consider changing the definition to a non-unique table type explicitly, if that aligns with your business logic.
  Code Review: Review the ABAP code that populates or manipulates the range table to ensure that it adheres to the expected key constraints.
  
  Related Information:
  
  ABAP Dictionary: Familiarize yourself with the ABAP Dictionary and how to define table types and their keys.
  Debugging: Use debugging tools in SAP to trace the execution of the program and identify where the issue arises.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message, as there may be patches or recommendations from SAP.
  Documentation: Refer to SAP documentation for best practices on defining range tables and handling key constraints.
  
  By addressing the key definition and ensuring that the data adheres to the expected constraints, you can resolve the DO008 error and prevent it from occurring in the future.