How To Fix WFF_FORM_SERVER400 - ----------------------- CL_WFF_FORM_DATA_XML ----------------------------

SAP Error Message - Details

• Message type: E = Error

• Message class: WFF_FORM_SERVER - Web Financials Forms: Form Server

• Message number: 400

• Message text: ----------------------- CL_WFF_FORM_DATA_XML ----------------------------

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WFF_FORM_SERVER400 - ----------------------- CL_WFF_FORM_DATA_XML ---------------------------- ?

  Certainly! Here's a detailed explanation regarding the SAP error message WFF_FORM_SERVER400 related to CL_WFF_FORM_DATA_XML:
  
  Error Message:
  WFF_FORM_SERVER400
  
  Class: CL_WFF_FORM_DATA_XML
  
  Cause:
  The error WFF_FORM_SERVER400 typically occurs when there is a problem with the communication between the SAP Workflow and the Adobe Document Services (ADS) or the form processing server. Specifically, it indicates that the HTTP request sent to the form server (which processes Adobe forms) returned a 400 Bad Request response.
  This can happen due to several reasons:
  
  Incorrect or malformed XML data being sent to the form server.
  Configuration issues with the Adobe Document Services (ADS) server.
  The form server URL or endpoint is incorrect or unreachable.
  Network issues or firewall blocking the communication.
  Version incompatibility between SAP system and ADS.
  Missing or incorrect parameters in the workflow form processing.
  The form template (XDP) or data XML is corrupted or invalid.
  
  The class CL_WFF_FORM_DATA_XML is responsible for generating and handling the XML data for workflow forms, so the error indicates that the XML data or the request generated by this class is causing the server to reject the request.
  
  Solution:
  To resolve the WFF_FORM_SERVER400 error, follow these steps:
  
  
  Check the ADS Configuration:
  
  Verify that the Adobe Document Services (ADS) server is correctly configured and running.
  In transaction SFP (Form Builder), check the form interface and form template.
  Use transaction SICF to check the service /sap/bc/adobeforms is active and accessible.
  Test the ADS server URL from the SAP system or browser to ensure it is reachable.
  
  
  
  Validate the XML Data:
  
  Use debugging or logging to capture the XML data generated by CL_WFF_FORM_DATA_XML.
  Validate the XML against the form interface to ensure it is well-formed and complete.
  Check for any special characters or encoding issues in the XML data.
  
  
  
  Check Workflow Form Configuration:
  
  Verify the workflow container elements and ensure the data passed to the form is correct.
  Check the binding between the workflow container and the form interface.
  
  
  
  Check Network and Firewall:
  
  Ensure there are no network issues or firewall rules blocking the communication between SAP and ADS server.
  
  
  
  Check SAP Notes and Patches:
  
  Look for relevant SAP Notes related to WFF_FORM_SERVER400 or Adobe forms errors.
  Apply any recommended patches or support packages.
  
  
  
  Test with a Simple Form:
  
  Try to process a simple standard form to isolate whether the issue is with the form template or the system configuration.
  
  
  
  Check for Version Compatibility:
  
  Ensure that the SAP NetWeaver version and ADS version are compatible.
  
  
  
  
  Related Information:
  
  Transaction SFP: Adobe Form Builder - to check and test forms.
  Transaction SWU3: Workflow Customizing - to check workflow settings.
  Transaction SICF: To check and activate ICF services related to ADS.
  Class CL_WFF_FORM_DATA_XML: Used internally by SAP Workflow to generate XML data for forms.
  SAP Notes: Search for notes with keywords like "WFF_FORM_SERVER400", "Adobe forms 400 error", "CL_WFF_FORM_DATA_XML error".
  Adobe Document Services (ADS): The server component that processes Adobe forms in SAP.
  
  
  Summary:
  The WFF_FORM_SERVER400 error indicates a bad HTTP request (400) sent from SAP Workflow to the Adobe Document Services server, often due to malformed XML data or configuration issues. The solution involves checking ADS configuration, validating XML data, ensuring network connectivity, and verifying workflow form settings.
  
  If you need help with specific debugging steps or logs, please provide more details about your SAP system version, form template, and workflow scenario.