Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 216
Message text: Worklist item &1 does not exist
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The SAP error message CNV_PE216 indicates that a worklist item specified by the identifier &1 does not exist in the system. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: Non-existent Worklist Item: The most straightforward cause is that the worklist item you are trying to access or process does not exist in the database. This could be due to: The item was deleted or not created. There was a typo or error in the identifier used to reference the worklist item. The worklist item was never generated due to a previous error in the migration process. Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the worklist item, leading to the perception that it does not exist. Data Consistency Issues: If there are inconsistencies in the
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