Do you have any question about this error?
Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now →
Message type: E = Error
Message class: SWF_FLEX_ENGINE - Workflow: Flexible Engine
Message number: 002
Message text: Unexpected callback (nodeid="&1")
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.
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.
SWF_FLEX_ENGINE002
- Unexpected callback (nodeid="&1") ?The SAP error message
SWF_FLEX_ENGINE002 Unexpected callback (nodeid="&1")
typically occurs in the context of SAP Workflow and indicates that the workflow engine received a callback that it did not expect. This can happen for various reasons, including issues with the workflow configuration, incorrect handling of workflow events, or problems with the underlying business logic.Causes:
- Workflow Configuration Issues: The workflow might not be configured correctly, leading to unexpected states or transitions.
- Incorrect Event Handling: If the workflow is designed to handle specific events and receives an unexpected event, this error can occur.
- Business Logic Errors: There may be issues in the custom logic or user-defined functions that are invoked during the workflow execution.
- System or Network Issues: Temporary system or network issues can lead to unexpected behavior in the workflow engine.
Solutions:
- Check Workflow Configuration: Review the workflow definition and ensure that all nodes and transitions are correctly configured. Look for any missing or incorrectly defined steps.
- Review Event Handling: Ensure that the events being triggered in the workflow are expected and handled properly. Check for any custom event handlers that may not be functioning as intended.
- Debugging: Use debugging tools to trace the workflow execution and identify where the unexpected callback is occurring. This can help pinpoint the exact cause of the issue.
- Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this can resolve known issues with the workflow engine.
- Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
- Log Analysis: Analyze the workflow logs and system logs for any additional error messages or warnings that could provide more context about the issue.
Related Information:
By following these steps, you should be able to diagnose and resolve the SWF_FLEX_ENGINE002
error in your SAP environment.
Get instant SAP help. Sign up for our Free Essentials Plan.
SWF_FLEX_ENGINE001
Unexpected action (action="&1")
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SWF_FLEX_ENGINE000
Unexpected node type (nodetype="&1")
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SWF_FLEX_ENGINE003
Outcome can't be determined
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SWF_FLEX_ENGINE004
Runtime not enabled for &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.