How To Fix CNV_DMC_UI_FW013 - &1 was expected to have a max length of '&2' but is '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_UI_FW - DMC UI Framework

• Message number: 013

• Message text: &1 was expected to have a max length of '&2' but is '&3'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_UI_FW013 - &1 was expected to have a max length of '&2' but is '&3' ?

  The SAP error message CNV_DMC_UI_FW013 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC). This error indicates that a certain field in the data being processed has a length that exceeds the maximum allowed length defined in the target system.
  Cause:
  The error message breaks down as follows:
  
  &1: This represents the name of the field that is causing the issue.
  &2: This indicates the maximum length that the field is expected to have.
  &3: This shows the actual length of the data being processed.
  
  The root cause of this error is usually due to:
  
  Data Mismatch: The source data contains values that are longer than what the target system can accommodate.
  Incorrect Mapping: The mapping configuration between the source and target systems may not be set up correctly, leading to length discrepancies.
  Data Quality Issues: The source data may have been poorly validated, leading to unexpected lengths in certain fields.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Field: Check the error message to identify which field is causing the issue (represented by &1).
  
  
  Check Maximum Length: Review the target system's data model to confirm the maximum length allowed for that field (represented by &2).
  
  
  Review Source Data: Examine the source data for the specific field to determine why it exceeds the maximum length (represented by &3). You can use tools like Excel or SQL queries to analyze the data.
  
  
  Data Truncation or Transformation: If the source data is indeed too long, you may need to:
  
  Truncate the data to fit the maximum length.
  Transform the data to ensure it meets the target system's requirements (e.g., splitting long strings, abbreviating text).
  
  
  
  Adjust Mapping: If the mapping configuration is incorrect, adjust it to ensure that the data is being mapped correctly between the source and target systems.
  
  
  Data Validation: Implement data validation checks before migration to catch such issues early in the process.
  
  
  Testing: After making the necessary adjustments, re-run the migration process to ensure that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to the CNV_DMC_UI_FW013 error.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on data migration.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.