How To Fix DMCLG221 - Data transfer object &1 has no subtype &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 221

• Message text: Data transfer object &1 has no subtype &2

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 DMCLG221 - Data transfer object &1 has no subtype &2 ?

  The SAP error message DMCLG221 indicates that there is an issue with a data transfer object (DTO) in the context of data migration or data transfer processes. Specifically, the message states that the specified data transfer object (&1) does not have the specified subtype (&2). This can occur in various scenarios, such as during data uploads, migrations, or when working with data transfer tools.
  Cause:
  
  Incorrect Configuration: The data transfer object may not be correctly configured in the system, leading to the absence of the specified subtype.
  Missing Subtype Definition: The subtype that is being referenced may not exist in the system or may not have been defined properly.
  Data Model Changes: Changes in the data model or updates to the system may have resulted in the removal or alteration of the expected subtypes.
  Typographical Errors: There may be a typographical error in the DTO or subtype name being referenced.
  
  Solution:
  
  Check Configuration: Verify the configuration of the data transfer object in the system. Ensure that the DTO is set up correctly and that the expected subtypes are defined.
  Review Subtype Definitions: Check if the subtype exists in the system. If it does not, you may need to create it or adjust the configuration to use a valid subtype.
  Consult Documentation: Refer to the relevant SAP documentation or data migration guides to ensure that you are using the correct DTO and subtype.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the error is occurring and gather more context about the issue.
  Contact Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context.
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to the specific DTO and subtype you are working with. SAP Notes often contain fixes, workarounds, or additional information about known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help you manage data transfer objects, such as SE11 (Data Dictionary) or SE80 (Object Navigator).
  Data Migration Tools: If you are using specific data migration tools (like LSMW, BAPIs, or others), ensure that you are following the correct procedures for defining and using DTOs and their subtypes.
  
  By following these steps, you should be able to identify the cause of the DMCLG221 error and implement a solution to resolve it.