Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 483
Message text: Execution rule &1 has multiple steps; step must be provided
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The SAP error message CNV_PE483 indicates that there is an issue with the execution rule in a data conversion or migration process. Specifically, it states that the execution rule has multiple steps, and you need to specify which step to execute.
Cause: This error typically occurs in the context of SAP data migration or conversion projects, particularly when using tools like the SAP S/4HANA Migration Cockpit or other data migration tools. The error arises when: An execution rule is defined with multiple steps, but the system requires you to specify which particular step you want to execute. The configuration or execution parameters for the migration process are incomplete or incorrectly set.
Solution: To resolve this error, you can follow these steps: Identify the Execution Rule: Determine which execution rule is causing the error. This information is usually provided in the error message. Check the Steps: Review the steps associated with the execution rule. You can do this by
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