How To Fix CNV_DMC_UI_FW015 - Length &1 not supported; &2 has a maximum length of &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_UI_FW - DMC UI Framework

• Message number: 015

• Message text: Length &1 not supported; &2 has a maximum length of &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_UI_FW015 - Length &1 not supported; &2 has a maximum length of &3 ?

  The SAP error message CNV_DMC_UI_FW015 typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC). This error indicates that a certain field's length exceeds the maximum allowed length defined in the target system or data structure.
  Cause:
  The error message is triggered when:
  
  You are trying to import or migrate data into a field that has a defined maximum length, and the data you are attempting to insert exceeds this length.
  The field in question (indicated by &2) has a maximum length (indicated by &3), and the data you are trying to input has a length of &1, which is not supported.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Lengths: 
  
  Review the data structure of the target system to understand the maximum length of the field that is causing the issue. This can usually be found in the data dictionary (transaction SE11) or in the migration template.
  
  
  
  Data Validation:
  
  Validate the data you are trying to migrate. Ensure that the length of the data being imported into the field does not exceed the maximum length defined in the target system.
  
  
  
  Data Truncation:
  
  If the data exceeds the maximum length, consider truncating the data to fit within the allowed length. However, be cautious with this approach as it may lead to loss of important information.
  
  
  
  Modify Data Mapping:
  
  If applicable, modify the data mapping in the migration cockpit to ensure that the data being migrated is compatible with the target field definitions.
  
  
  
  Adjust Target Field Length:
  
  If you have control over the target system and it is appropriate to do so, consider increasing the maximum length of the target field to accommodate the incoming data. This should be done with caution and in accordance with your organization's data governance policies.
  
  
  
  Review Migration Templates:
  
  If you are using a migration template, ensure that the template is correctly configured and that it reflects the correct field lengths.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check field definitions or SE37 (Function Module) to analyze any related function modules that might be involved in the migration process.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on data migration issues.
  Documentation: Review the SAP Data Migration Cockpit documentation for best practices and guidelines on data migration.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.