How To Fix SWDP_AUTHORING_MESS020 - An error occurred while calling KW (application log &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_AUTHORING_MESS - Messages Authoring Environment ABAP Web Dynpro

• Message number: 020

• Message text: An error occurred while calling KW (application log &1)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_AUTHORING_MESS020 - An error occurred while calling KW (application log &1) ?

  The SAP error message SWDP_AUTHORING_MESS020 indicates that there was an error while calling the Knowledge Warehouse (KW) during the authoring process. This error can occur in various scenarios, particularly when working with SAP Web Dynpro applications or when using the SAP Business Application Studio.
  Cause
  The error can be caused by several factors, including:
  
  Configuration Issues: Incorrect configuration settings in the SAP system or in the Knowledge Warehouse.
  Authorization Problems: The user may not have the necessary authorizations to access the Knowledge Warehouse or perform the required actions.
  System Errors: There may be underlying system issues, such as database connectivity problems or issues with the application server.
  Transport Issues: If the application or its components were recently transported, there may be inconsistencies or missing objects in the target system.
  Data Issues: Corrupted or missing data in the Knowledge Warehouse can also lead to this error.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check Application Log: Use transaction code SLG1 to check the application log for more detailed error messages related to the KW call. This can provide insights into what went wrong.
  
  
  Verify Authorizations: Ensure that the user has the necessary authorizations to access the Knowledge Warehouse. You can check this using transaction code SU53 after the error occurs.
  
  
  Review Configuration: Check the configuration settings related to the Knowledge Warehouse and ensure they are set up correctly.
  
  
  Check System Status: Verify the status of the SAP system, including database connectivity and application server health. You can use transaction codes like SM21 (System Log) and SM37 (Job Monitoring) to check for any related issues.
  
  
  Transport Consistency: If the error occurred after a transport, ensure that all necessary objects were transported correctly and that there are no inconsistencies.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  Related Information
  
  Transaction Codes: 
  
  SLG1: Application Log
  SU53: Authorization Check
  SM21: System Log
  SM37: Job Monitoring
  
  
  SAP Notes: Regularly check the SAP Support Portal for any updates or notes related to the error message SWDP_AUTHORING_MESS020.
  Documentation: Review the official SAP documentation for Web Dynpro and Knowledge Warehouse for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.