Message type: E = Error
Message class:  CNV_20900 - Message class for package CNV_20900 
Message number: 014
Message text: No changes made; no need for saving
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The SAP error message CNV_20900014: No changes made; no need for saving typically occurs during data migration or conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: This error message indicates that the system has detected that no changes were made to the data during the migration or conversion process. This can happen for several reasons: No Data Changes: The data being processed is identical to the existing data in the target system, leading to no changes being necessary. Data Validation: The data might have failed validation checks, and as a result, no changes were applied.
Configuration Issues: There may be issues with the configuration of the migration tool or the mapping of fields, leading to no data being processed. Execution of a Process: The process being executed may not have any applicable changes to make, such as running a migration step
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