Message type: E = Error
Message class:  CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS 
Message number: 020
Message text: Action cancelled by the user
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The SAP error message CNV_IUUC_REPL_ADV_SE020: Action cancelled by the user typically occurs in the context of data replication or migration processes, particularly when using the SAP Landscape Transformation (SLT) or other data replication tools. This error indicates that a user has manually canceled an ongoing action or process. Causes: User Intervention: The most straightforward cause is that the user intentionally canceled the action, either through the SAP GUI or another interface. Timeouts: If a process takes too long, it may be canceled automatically by the system or by the user who is waiting for a response. System Performance Issues: Slow performance or system hangs may lead users to believe that the process is stuck, prompting them to cancel it.
Configuration Issues: Incorrect configurations in the replication setup may lead to unexpected behavior, causing users to cancel actions. Solutions: Check User Actions: Verify if the cancellation was intentional. If it was, you may need to restart the process. Review
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