Message type: E = Error
Message class:  CNV_00001 - Message class for CWB settings maintenance programs 
Message number: 513
Message text: Parameter values are only allowed for user defined parameters
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The SAP error message CNV_00001513 indicates that there is an issue with parameter values being set for user-defined parameters in a conversion or migration process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
Cause: The error occurs when: Invalid Parameter Definition: The system is trying to assign values to parameters that are not defined as user-defined parameters. Incorrect Configuration: The configuration of the migration or conversion process may be incorrect, leading to the system attempting to use parameters that are not recognized. Data Mapping Issues: There may be issues with how data is mapped or defined in the migration project, leading to the use of non-user-defined parameters.
Solution: To resolve this error, you can take the following steps: Check Parameter Definitions: Review the parameters defined in your migration or conversion project. Ensure that any parameters you are trying to set values for are
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