How To Fix CNV_DMC_MC009 - Specify a datatype

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 009

• Message text: Specify a datatype

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC009 - Specify a datatype ?

  The SAP error message CNV_DMC_MC009, which states "Specify a datatype," typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or during the execution of migration projects. This error indicates that the system requires a specific data type to be defined for a particular field or mapping, but it has not been provided.
  Cause:
  
  Missing Data Type Definition: The error usually arises when a required data type for a field in the migration template or mapping is not specified.
  Incorrect Mapping: If the mapping between source and target fields is not correctly defined, the system may not be able to infer the data type.
  Configuration Issues: There may be issues in the configuration of the migration project or the data migration cockpit settings.
  
  Solution:
  
  Check Migration Template: Review the migration template you are using to ensure that all required fields have their data types specified. Make sure that the data types are compatible with the target system.
  Define Data Types: If you find any fields without a specified data type, add the appropriate data type for those fields. Common data types include CHAR, NUMC, DATS, etc.
  Review Mapping: Go through the mapping configuration to ensure that all source fields are correctly mapped to the target fields, and that the data types are correctly defined.
  Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit to understand the requirements for data types and mappings.
  Test Migration: After making the necessary changes, run a test migration to ensure that the error is resolved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Migration Cockpit: Familiarize yourself with the features and functionalities of the SAP Data Migration Cockpit, as it provides tools and guidelines for successful data migration.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.