Message type: E = Error
Message class:  CNV_DMC_WDA - Messages used in WDA UI 
Message number: 040
Message text: There are still open tasks; are you sure you want to continue?
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The SAP error message CNV_DMC_WDA040 typically occurs during a data migration process using the SAP Data Migration Cockpit (DMC). This message indicates that there are still open tasks that need to be completed before you can proceed with the migration. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Open Tasks: The primary reason for this error is that there are tasks in the migration process that have not been completed. These tasks could be related to data validation, mapping, or other preparatory steps that need to be finalized. Incomplete Data Preparation: If the data has not been fully prepared or validated, the system will prevent you from moving forward to ensure data integrity. User Confirmation: The system is prompting for confirmation to ensure that the user is aware of the open tasks and is willing to proceed despite them.
Solution: Review Open Tasks: Go to the Data Migration Cockpit and check the
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