Message type: E = Error
Message class:  CNV_10030 - Message class for package 10030 
Message number: 001
Message text: Transaction was canceled by user
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The SAP error message CNV_10030001: Transaction was canceled by user typically indicates that a user has manually canceled a transaction or process that was running in the SAP system. This error is often encountered during 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. Causes: User Intervention: The most straightforward cause is that the user intentionally canceled the transaction, either by clicking a cancel button or closing the transaction window. Timeouts: If a transaction takes too long to process, it may be canceled automatically by the system or by the user who is waiting for a response. System Performance Issues: Slow system performance or resource constraints may lead users to cancel transactions that are taking longer than expected. Errors in Data: If the data being processed has issues (e.g., inconsistencies, missing mandatory fields), users may choose to cancel the transaction
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