Message type: E = Error
Message class:  CNV_PE_TPM - Messages within transport management functions 
Message number: 061
Message text: Parameter &1: length &2 (system) vs. length &3 (file)
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The SAP error message CNV_PE_TPM061 typically occurs during data migration or data transfer processes, particularly when using the SAP Data Migration tools or the SAP Landscape Transformation (SLT) Replication Server. This error indicates a mismatch in the length of a parameter between the system and the file being processed.
Cause: The error message CNV_PE_TPM061 is triggered when there is a discrepancy between the expected length of a field in the SAP system and the length of the corresponding field in the input file. Specifically, the error message provides the following details: Parameter &1: The name of the parameter or field that is causing the issue. Length &2: The length of the parameter in the SAP system. Length &3: The length of the parameter in the input file. This mismatch can occur due to various reasons, such as: Incorrectly defined data structures in the input file. Changes in the data model or field definitions in the SAP system that
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