How To Fix WZ168 - Error in binding definition

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 168

• Message text: Error in binding definition

What causes this issue?

The binding definition from the event container to the workflow
container or the task container contains errors.

System Response

The task was not started.

How to fix this error?

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 WZ168 - Error in binding definition ?

  Certainly! Here's a detailed explanation regarding the SAP error message WZ168 - Error in binding definition:
  
  SAP Error Message: WZ168 - Error in binding definition
  
  Cause:
  The error WZ168 typically occurs in the context of SAP Workflow or Business Object Repository (BOR) when there is an issue with the binding definition of workflow container elements or BOR attributes/methods.
  Binding in SAP Workflow refers to the process of linking workflow container elements to BOR attributes or method parameters. The error indicates that the system encountered an inconsistency or invalid reference during this binding process.
  Common causes include:
  
  Incorrect or missing binding between workflow container elements and BOR attributes/method parameters.
  The data types of the container element and the BOR attribute/method parameter do not match.
  The BOR object or method referenced in the binding does not exist or is not active.
  The binding refers to an attribute or method that is not defined or has been deleted.
  Syntax errors or inconsistencies in the binding expression.
  Transport or system inconsistencies where the BOR or workflow objects are not properly imported or activated.
  
  
  Solution:
  To resolve the WZ168 error, follow these steps:
  
  
  Check the Binding Definitions:
  
  Go to the workflow builder (transaction SWDD).
  Open the workflow where the error occurs.
  Check the container elements and their bindings.
  Verify that each container element is correctly bound to the corresponding BOR attribute or method parameter.
  Ensure the data types match exactly.
  
  
  
  Verify BOR Objects:
  
  Use transaction SWO1 to check the BOR object involved.
  Confirm that the attributes and methods used in the binding exist and are active.
  If the BOR object was recently changed, make sure it is properly activated.
  
  
  
  Check for Transport or System Issues:
  
  If the workflow or BOR objects were transported from another system, ensure all related objects are imported and activated.
  Sometimes re-importing or re-activating the BOR object and workflow can resolve inconsistencies.
  
  
  
  Correct the Binding Expressions:
  
  If the binding uses complex expressions, verify their syntax.
  Simplify or correct the binding if necessary.
  
  
  
  Test the Workflow:
  
  After corrections, test the workflow to ensure the error no longer occurs.
  
  
  
  Use SAP Notes and Documentation:
  
  Search for SAP Notes related to WZ168 for any known issues or patches.
  Check SAP Help Portal or community forums for similar cases.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWDD - Workflow Builder
  SWO1 - Business Object Builder
  SWI1 - Workflow Log (to analyze workflow errors)
  SWU_OBUF - Workflow Object Buffer (to check BOR objects)
  
  
  
  SAP Help:
  
  SAP Workflow documentation on container binding.
  BOR object modeling and activation.
  
  
  
  Common Scenarios:
  
  When creating or modifying workflows that interact with custom BOR objects.
  After system upgrades or transports where BOR or workflow objects might be inconsistent.
  
  
  
  
  If you provide the exact context or scenario where the error occurs (e.g., during workflow activation, runtime, or development), I can give more tailored advice.
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Incorrect or inconsistent binding between workflow container elements and BOR attributes/methods.
  
  
  Solution
  Verify and correct bindings in workflow builder; check BOR object attributes/methods; ensure data types match; activate objects properly.
  
  
  Related
  Transactions SWDD, SWO1; SAP Notes; workflow and BOR activation; workflow logs (SWI1).
  
  
  
  
  If you need, I can also help you with step-by-step instructions on how to check and fix the bindings in your workflow.