Message type: E = Error
Message class:  CNV_ICWB - Incremental Conversion Workbench Messages 
Message number: 102
Message text: Could not create the delta replay task for table &1; previous not ready.
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The SAP error message CNV_ICWB102 indicates that there is an issue with creating a delta replay task for a specific table during a data migration or conversion process. The message suggests that the previous task is not ready, which can occur in various scenarios, particularly in the context of the SAP Data Migration Cockpit or similar tools.
Cause: Previous Task Not Completed: The most common cause is that the previous delta task for the specified table has not been completed successfully. This could be due to errors in the previous steps or tasks that are still in progress. Locking Issues: There may be locks on the table or related resources that prevent the creation of a new delta replay task.
Configuration Issues: There might be configuration issues in the migration settings or the data model that prevent the delta replay from being initiated. Data Consistency Issues: If there are inconsistencies in the data or if
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