How To Fix CNV_DMC_MC096 - For data type '&', field Length must not contain a value

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 096

• Message text: For data type '&', field Length must not contain a value

What causes this issue?

The migration object has not yet been generated. This means that it is
possible that the errors listed here are not correct or relevant.
We recommend that you generate the migration object in order to get the
correct errors for the rule.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC096 - For data type '&', field Length must not contain a value ?

  The SAP error message CNV_DMC_MC096 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is an issue with the field length definition for a specific data type in the migration process.
  Cause:
  The error message "For data type '&', field Length must not contain a value" suggests that the system expects a field length to be defined for a specific data type, but it is either missing or incorrectly specified. This can happen due to:
  
  Incorrect Data Mapping: The data mapping configuration may not have the correct field length specified for the data type being used.
  Data Type Definition Issues: The data type itself may not be properly defined in the source or target system.
  Configuration Errors: There may be errors in the configuration settings of the migration project, leading to inconsistencies in field definitions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Mapping:
  
  Review the data mapping configuration in the migration project. Ensure that the field length is correctly specified for the data type in question.
  If the field length is not required for the data type, ensure that it is set to a default value or left blank as per the requirements.
  
  
  
  Verify Data Type Definitions:
  
  Check the definitions of the data types in both the source and target systems. Ensure that they are consistent and that the field lengths are defined correctly.
  
  
  
  Adjust Configuration Settings:
  
  Go through the configuration settings of the migration project to ensure that all necessary parameters are set correctly. Look for any discrepancies that might lead to this error.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or migration guides related to the specific data type and migration process you are using. This can provide insights into the expected configurations.
  
  
  
  Testing:
  
  After making the necessary adjustments, run a test migration to see if the error persists. This can help confirm whether the changes resolved the issue.
  
  
  
  Seek Support:
  
  If the issue continues, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the CNV_DMC_MC096 error effectively.