How To Fix WI305 - Object attribute could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: WI - BPT Workflow: Messages from Info System

• Message number: 305

• Message text: Object attribute could not be read

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WI305 - Object attribute could not be read ?

  Certainly! Here's a detailed explanation for the SAP error message WI305 - Object attribute could not be read:
  
  Error Message:
  WI305 - Object attribute could not be read
  
  Cause:
  This error typically occurs in the SAP Workflow environment when the system tries to read an attribute of a business object but fails. The reasons can include:
  
  
  Incorrect or missing object attribute configuration:
  
  The attribute you are trying to access does not exist or is not properly defined in the Business Object Repository (BOR).
  
  
  
  Authorization issues:
  
  The user or workflow runtime does not have sufficient authorization to read the attribute.
  
  
  
  Runtime errors in the attribute method:
  
  The method that reads the attribute (e.g., a getter method) is failing due to an error in the underlying function module, class method, or RFC call.
  
  
  
  Data inconsistencies or missing data:
  
  The attribute depends on data that is missing or inconsistent in the database.
  
  
  
  Incorrect binding in the workflow:
  
  The attribute is not correctly bound in the workflow container or the binding is missing.
  
  
  
  
  Solution:
  
  
  Check the Business Object and Attribute:
  
  Go to transaction SWO1 (Business Object Builder).
  Open the relevant business object.
  Verify that the attribute exists and is correctly defined.
  Check the method that reads the attribute (e.g., GET method) and test it independently.
  
  
  
  Test the Attribute Method:
  
  In SWO1, test the attribute method to see if it returns the expected value.
  If it fails, debug the method or function module it calls.
  
  
  
  Check Workflow Container Bindings:
  
  In the workflow builder (transaction SWDD), check the container element bindings.
  Ensure the attribute is correctly bound to the workflow container element.
  
  
  
  Check Authorizations:
  
  Verify that the user running the workflow has the necessary authorizations to read the attribute.
  Use transaction SU53 after the error occurs to check for authorization failures.
  
  
  
  Debug the Workflow:
  
  Use transaction SWUS or SWI1 to find the workflow instance.
  Debug the workflow step where the attribute is read to identify the exact cause.
  
  
  
  Check for Data Consistency:
  
  Verify that the underlying data for the attribute exists and is consistent.
  For example, if the attribute reads data from a table, check that the table entries exist.
  
  
  
  Review SAP Notes:
  
  Search for SAP Notes related to error WI305 for your specific SAP version.
  Sometimes, known bugs or patches are available.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWO1 - Business Object Builder
  SWDD - Workflow Builder
  SWUS - Workflow Debugger
  SWI1 - Workflow Log
  SU53 - Authorization Check
  
  
  
  SAP Help:
  
  SAP Workflow documentation on Business Objects and Attributes.
  SAP Notes and Knowledge Base Articles related to workflow errors.
  
  
  
  Common Scenarios:
  
  This error often appears when a workflow step tries to read an attribute that is not yet set or is incorrectly configured.
  It can also occur if the attribute method calls an RFC or BAPI that fails.
  
  
  
  
  If you provide the specific business object and attribute name, or the workflow context, I can help you with more targeted troubleshooting steps.