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Message type: E = Error
Message class: WL - Workflow: run-time messages
Message number: 894
Message text: Work queue & contains lines with different object types
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WL894
- Work queue & contains lines with different object types ?The SAP error message WL894 indicates that there is an issue with a work queue that contains lines with different object types. This typically occurs in the context of work queue processing, where the system expects all entries in the queue to be of the same object type, but it has encountered a mix of different types.
Cause:
- Mixed Object Types: The primary cause of this error is that the work queue has been populated with entries that belong to different object types. For example, if the queue is meant to handle only purchase orders, but it also contains sales orders or other types of documents, this error will occur.
- Data Entry Errors: Incorrect data entry or configuration might lead to the inclusion of multiple object types in the same work queue.
- Custom Development: If there are custom developments or enhancements in the system that manipulate work queues, they might inadvertently introduce different object types into the same queue.
Solution:
- Review Work Queue Entries: Check the entries in the work queue to identify the different object types present. You can do this by accessing the work queue through the relevant transaction code (e.g.,
SMQ1
for outbound queues orSMQ2
for inbound queues).- Filter by Object Type: If possible, filter the work queue to show only one object type at a time. This will help you isolate the entries causing the issue.
- Remove Incorrect Entries: Once you identify the entries with different object types, you can either remove them from the queue or separate them into different queues based on their object types.
- Check Configuration: Review the configuration settings for the work queue to ensure that it is set up to handle only the intended object types.
- Consult Documentation: Refer to SAP documentation or notes related to work queues for any specific guidelines or best practices.
- Contact SAP Support: If the issue persists or if you are unsure about how to proceed, consider reaching out to SAP support for assistance.
Related Information:
SMQ1
and SMQ2
for monitoring and managing work queues.SLG1
) for any additional error messages or warnings that might provide more context about the issue.By following these steps, you should be able to resolve the WL894 error and ensure that your work queues are functioning correctly.
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