How To Fix SWDC128 - ... ON *-INPUT."

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDC - Web Dynpro: Conversion

• Message number: 128

• Message text: ... ON *-INPUT."

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 SWDC128 - ... ON *-INPUT." ?

  The SAP error message SWDC128 typically relates to issues with the workflow or the configuration of the workflow in the SAP system. The message "ON *-INPUT" suggests that there is a problem with the input parameters or the way the workflow is being triggered.
  Cause:
  
  Incorrect Workflow Configuration: The workflow might not be properly configured, leading to issues when it tries to process input data.
  Missing Input Parameters: The workflow may be expecting certain input parameters that are not being provided.
  Authorization Issues: The user executing the workflow may not have the necessary authorizations to perform the action.
  Data Consistency Issues: There may be inconsistencies in the data being processed by the workflow.
  
  Solution:
  
  Check Workflow Configuration: Review the workflow configuration in transaction SWDD (Workflow Builder) to ensure that all steps and input parameters are correctly defined.
  Validate Input Parameters: Ensure that all required input parameters are being passed to the workflow. You can check the workflow definition for the expected parameters.
  Review User Authorizations: Verify that the user has the necessary authorizations to execute the workflow. You can check this in transaction SU53 or by consulting with your security team.
  Debugging: If the issue persists, consider debugging the workflow to identify where the error occurs. You can use transaction SWI1 to monitor workflow instances and see if there are any stuck or failed instances.
  Check for Data Issues: Ensure that the data being processed is consistent and valid. Look for any anomalies in the data that might cause the workflow to fail.
  
  Related Information:
  
  Transaction Codes:
  
  SWDD: Workflow Builder
  SWI1: Work Item Selection
  SWI2_FREQ: Work Item Selection for Recurrent Workflows
  SWI2_DURA: Work Item Selection for Duration Workflows
  
  
  SAP Notes: Check SAP Notes related to workflow issues for any known bugs or patches that might address the problem.
  Documentation: Refer to SAP Help documentation for workflows to understand the expected configurations and best practices.
  
  If the issue continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or Workflow team for further assistance.