How To Fix WFF_FORM_GENERATOR108 - Form interface could not be generated

SAP Error Message - Details

• Message type: E = Error

• Message class: WFF_FORM_GENERATOR - Web Financials Forms: Form Generator

• Message number: 108

• Message text: Form interface could not be generated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WFF_FORM_GENERATOR108 - Form interface could not be generated ?

  The SAP error message WFF_FORM_GENERATOR108: Form interface could not be generated typically occurs in the context of SAP Workflow when the system tries to generate or regenerate the interface for a form (usually a Smart Form or SAPscript) but fails.
  
  Cause
  
  Missing or inconsistent form definition: The form (Smart Form or SAPscript) referenced in the workflow does not exist, is inactive, or has inconsistencies.
  Authorization issues: The user or system does not have sufficient authorization to access or generate the form interface.
  Transport or system inconsistencies: The form might have been transported incorrectly or is inconsistent in the target system.
  Incorrect form name or interface assignment: The workflow step or container might be referring to a wrong or non-existing form name.
  Technical issues in the form generation program: The underlying program or function module that generates the interface might have errors or is not working properly.
  Missing or incorrect interface parameters: The interface parameters required for the form generation are missing or incorrectly defined.
  
  
  Solution
  
  
  Check the form existence and status:
  
  Go to transaction SMARTFORMS or SE71 (for SAPscript) and verify that the form exists and is active.
  If inactive, activate the form.
  
  
  
  Verify the form name in the workflow:
  
  Check the workflow step or container where the form is called.
  Ensure the form name is correctly specified.
  
  
  
  Regenerate the form interface manually:
  
  In SMARTFORMS, open the form and regenerate the interface.
  Check for any errors during interface generation.
  
  
  
  Check authorizations:
  
  Ensure the user or system has the necessary authorizations to access and generate the form interface.
  Relevant authorization objects include S_FORM and S_PROGRAM.
  
  
  
  Check for transport or system inconsistencies:
  
  If the form was transported, verify the transport logs.
  Reimport or re-transport the form if necessary.
  
  
  
  Check workflow container and interface parameters:
  
  Verify that the workflow container has the correct data types and parameters expected by the form interface.
  Adjust the container or interface parameters if needed.
  
  
  
  Check system logs and dumps:
  
  Use transaction ST22 to check for any short dumps related to the error.
  Use SM21 and SLG1 to check system and application logs.
  
  
  
  Apply SAP Notes:
  
  Search for relevant SAP Notes using the error message or keywords.
  Apply any recommended corrections or patches.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SMARTFORMS – to maintain Smart Forms.
  SE71 – to maintain SAPscript forms.
  SWDD – Workflow Builder to check workflow definitions.
  ST22 – ABAP runtime error analysis.
  SM21 – System log.
  SLG1 – Application log.
  
  
  
  SAP Notes and KBAs:
  
  Search SAP Support Portal for notes related to WFF_FORM_GENERATOR108.
  Common notes address interface generation issues and authorization problems.
  
  
  
  Workflow and Form Interface:
  
  The form interface is automatically generated based on the form’s import parameters.
  Any mismatch between the workflow container and form interface parameters can cause generation failure.
  
  
  
  
  If after these steps the issue persists, consider raising a support ticket with SAP, providing detailed logs, screenshots, and system information.