How To Fix CNV_PE_TPM066 - Parameter &1, mapping line &2: value &3 is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_TPM - Messages within transport management functions

• Message number: 066

• Message text: Parameter &1, mapping line &2: value &3 is too long

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_TPM066 - Parameter &1, mapping line &2: value &3 is too long ?

  The SAP error message CNV_PE_TPM066 typically occurs during data migration or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or other data conversion tools. This error indicates that a specific parameter's value exceeds the maximum length allowed for that field in the target system.
  Cause:
  
  Field Length Exceeded: The value being mapped to a target field is longer than the defined length for that field in the target database or application.
  Data Type Mismatch: The source data type may not match the target data type, leading to truncation or overflow issues.
  Incorrect Mapping: The mapping configuration may be incorrect, leading to an attempt to insert a longer value into a shorter field.
  
  Solution:
  
  Check Field Lengths: Review the target field's definition in the database or application to determine its maximum length. Compare this with the source data to identify any discrepancies.
  Data Truncation: If appropriate, consider truncating the source data to fit the target field's length. This can be done during the transformation process.
  Adjust Mapping: If the mapping is incorrect, adjust it to ensure that the correct source fields are mapped to the appropriate target fields.
  Data Cleansing: Implement data cleansing processes to ensure that the source data conforms to the expected formats and lengths before migration.
  Modify Target Structure: If feasible, consider modifying the target field's length to accommodate the incoming data, but ensure this aligns with business requirements and data integrity rules.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) to check field definitions or SE80 (Object Navigator) for reviewing the mapping configurations.
  Documentation: Refer to SAP documentation for the specific data migration tool you are using, as it may provide additional insights into handling such errors.
  Logs and Traces: Check logs and traces for more detailed error messages that can help pinpoint the exact cause of the issue.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on best practices for data migration.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.