How To Fix WS683 - Ensure that a database index exists for WBELNN/POSNN for WBRF

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 683

• Message text: Ensure that a database index exists for WBELNN/POSNN for WBRF

What causes this issue?

To avoid a full table scan of the table 'WBRF', a database index has to
be active on the database for the field 'WBELNN', and possibly 'POSNN'.
SAP delivers the inactive database index '001', which you can activate
if no equivalent database index exists for the database table 'WBRF'.

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?

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 WS683 - Ensure that a database index exists for WBELNN/POSNN for WBRF ?

  Certainly! Here's a detailed explanation for the SAP error message WS683:
  
  SAP Error Message: WS683
  Text:
  
  Ensure that a database index exists for WBELNN/POSNN for WBRF
  
  Cause
  This error occurs because the SAP system expects a database index on the fields WBELNN and POSNN in the database table WBRF, but such an index does not exist. The absence of this index can lead to performance issues or failures when the system tries to access or update data in the WBRF table using these fields.
  
  WBRF is a table related to workflow or business document references.
  WBELNN and POSNN are fields typically used as keys or for searching entries in this table.
  The system requires an index on these fields to efficiently perform lookups or joins.
  
  
  Solution
  
  
  Check if the index exists:
  Use transaction SE11 (Data Dictionary) to check the indexes on table WBRF.
  
  Enter table name WBRF.
  Click on the "Indexes" button.
  Look for an index that includes fields WBELNN and POSNN.
  
  
  
  Create the missing index:
  If the index does not exist, create a new database index on these fields:
  
  In SE11, go to the "Indexes" tab.
  Create a new index (e.g., name it ZWBELNN_POSNN).
  Add fields WBELNN and POSNN to the index.
  Save and activate the index.
  
  
  
  Transport the change:
  If you are in a development system, make sure to transport the index creation to quality and production systems.
  
  
  Database considerations:
  
  Creating an index may take some time depending on the size of the table.
  Ensure you have appropriate authorizations and coordinate with your Basis/DBA team.
  After index creation, check if the error message disappears and performance improves.
  
  
  
  
  Related Information
  
  Table WBRF: Stores references between business documents and workflow items.
  Fields WBELNN and POSNN: Usually represent document number and item number.
  Transaction SE11: Data Dictionary maintenance tool.
  Database Index: A database structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage space.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS683: Missing database index on WBRF for WBELNN/POSNN
  
  
  Cause
  No database index exists on fields WBELNN and POSNN in table WBRF
  
  
  Solution
  Create a database index on WBELNN and POSNN in WBRF using SE11
  
  
  Impact
  Performance issues or errors in workflows or document processing
  
  
  
  
  If you need further assistance or step-by-step guidance on creating the index, feel free to ask!