How To Fix WL668 - Work item &: Container conversion into XML table failed

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 668

• Message text: Work item &: Container conversion into XML table failed

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 WL668 - Work item &: Container conversion into XML table failed ?

  The SAP error message WL668, which states "Work item &: Container conversion into XML table failed," typically occurs in the context of SAP Workflow. This error indicates that there was a failure in converting the workflow container data into an XML format, which is often necessary for processing or transferring data between different systems or components.
  Causes:
  
  Data Type Mismatch: The data types in the workflow container may not be compatible with the expected XML format.
  Invalid Data: There may be invalid or unexpected data in the workflow container that cannot be serialized into XML.
  Container Size Limitations: The size of the data in the workflow container may exceed the limits for XML conversion.
  Configuration Issues: There may be issues with the configuration of the workflow or the related components that handle XML processing.
  System Bugs: There could be bugs in the SAP system or specific versions that lead to this error.
  
  Solutions:
  
  Check Data Types: Review the data types of the elements in the workflow container to ensure they are compatible with XML serialization.
  Validate Data: Inspect the data in the workflow container for any invalid or unexpected values. Ensure that all data conforms to the expected formats.
  Reduce Container Size: If the container is too large, consider breaking it down into smaller parts or reducing the amount of data being processed.
  Review Workflow Configuration: Check the configuration of the workflow and any related components to ensure they are set up correctly.
  Update SAP System: If you suspect a bug, check for any available patches or updates for your SAP system that may address this issue.
  Debugging: Use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Overview) to analyze the work items and their containers. You can also use transaction SWI6 to check the workflow logs for more detailed error messages.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Workflow Documentation: Review SAP documentation related to workflows and XML processing for best practices and guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.