How To Fix SWN099 - Unable to create schedule &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SWN - WF Notif: Messages

• Message number: 099

• Message text: Unable to create schedule &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.

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 SWN099 - Unable to create schedule &1 ?

  The SAP error message SWN099 "Unable to create schedule &1" typically occurs in the context of the SAP Workflow Notification (SWN) framework. This error indicates that the system is unable to create a scheduling entry for a notification due to various reasons. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Missing Configuration: The workflow notification settings may not be properly configured in transaction SWN1 (Workflow Notification Settings).
  Authorization Issues: The user may not have the necessary authorizations to create schedules or notifications.
  System Errors: There may be underlying system issues, such as database connectivity problems or inconsistencies in the workflow configuration.
  Job Scheduling Issues: The background job that is supposed to handle the notifications may not be running or may have failed.
  Incorrect Parameters: The parameters used for scheduling the notification may be incorrect or invalid.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to transaction SWN1 and verify that the workflow notification settings are correctly configured.
  Ensure that the necessary parameters, such as the email server settings, are correctly set up.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to create schedules and notifications.
  Use transaction SU53 to analyze any authorization issues.
  
  
  
  Monitor Background Jobs:
  
  Check the status of background jobs related to workflow notifications using transaction SM37.
  Ensure that the job for sending notifications (usually named something like "SWN_SES_SEND") is active and running without errors.
  
  
  
  Check System Logs:
  
  Review the system logs (transaction SM21) for any related error messages that might provide more context on the issue.
  Look for any dumps in transaction ST22 that might indicate a more serious underlying problem.
  
  
  
  Test with Different Parameters:
  
  If specific parameters are being used for scheduling, try using different or default parameters to see if the issue persists.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide patches and updates.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWN1: Workflow Notification Settings
  SM37: Monitor Background Jobs
  SM21: System Log
  ST22: Dump Analysis
  SU53: Authorization Check
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on workflow notifications and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed information about the error and the steps already taken.