How To Fix WXP189 - Unable to determine master data table

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 189

• Message text: Unable to determine master data table

What causes this issue?

You wish to define a <DS:DE.WISP_PLATT>master data attribute</> for
characteristic &V1&. A master data table could not be determined for
this characteristic.

System Response

The action is cancelled.

How to fix this error?

Check whether a foreign key has been assigned to characteristic &V1& in
the <DS:DE.WISP_DBTAB>planning table</> assigned to the
<DS:DE.WISP_PLSCH>planning step</>.

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 WXP189 - Unable to determine master data table ?

  SAP Error Message:
  
  WXP189 - Unable to determine master data table
  
  Cause:
  This error typically occurs in SAP Workflow or Business Workplace when the system tries to determine the master data table for a given object but fails. The workflow engine or the system cannot identify which master data table corresponds to the object type or the object instance being processed.
  Common reasons include:
  
  The object type is not properly linked to a master data table in the customizing.
  Missing or incorrect configuration in the Business Object Repository (BOR).
  The object instance key or identifier passed to the workflow is incorrect or incomplete.
  The workflow or program is trying to access an object that does not exist or is not properly maintained.
  Custom objects or Z-objects without proper BOR or table linkage.
  
  
  Solution:
  To resolve the WXP189 error, follow these steps:
  
  
  Check the Object Type and Instance:
  
  Verify that the object type used in the workflow or program is correct.
  Ensure the object instance key is valid and exists in the system.
  
  
  
  Verify BOR Configuration:
  
  Use transaction SWO1 to check the Business Object Repository.
  Open the object type in SWO1 and check the "Table" tab to see if the master data table is correctly assigned.
  If the object is custom, ensure that the BOR object is properly created and linked to the correct table.
  
  
  
  Check Workflow Customizing:
  
  In transaction SWU3 (Workflow Customizing), check if the workflow is correctly configured.
  Ensure that the object type and its methods are properly maintained.
  
  
  
  Check Table Linkage:
  
  For standard SAP objects, the master data table is predefined.
  For custom objects, you may need to define the table linkage manually in the BOR.
  
  
  
  Debugging:
  
  If the above steps do not help, debug the workflow or program to see where the system tries to determine the master data table.
  Check the parameters passed to the function modules or methods that fetch the master data.
  
  
  
  SAP Notes and Support:
  
  Search for relevant SAP Notes using the error message or symptom.
  Sometimes, patches or corrections are available for known issues.
  
  
  
  
  Related Information:
  
  Transaction SWO1: Business Object Builder — to check and maintain BOR objects.
  Transaction SWU3: Workflow Customizing — to check workflow configuration.
  SAP Help Portal: Documentation on BOR and workflow.
  Common Function Modules: BOR_OBJECT_GET_TABLE or similar may be involved in determining the master data table.
  SAP Notes: Search for WXP189 or related workflow errors in the SAP Support Portal.
  
  
  Summary:
  The error WXP189 "Unable to determine master data table" means the system cannot find the master data table for a given object type in workflow or related processing. The fix involves verifying the object type, instance, and BOR configuration to ensure proper linkage to the master data table.
  
  If you provide the context where this error occurs (e.g., during workflow start, task processing, or a specific transaction), I can help with more targeted troubleshooting steps.