How To Fix CNV_10020066 - Conc./frag. object &1: no fields were defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 066

• Message text: Conc./frag. object &1: no fields were defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020066 - Conc./frag. object &1: no fields were defined ?

  The SAP error message CNV_10020066 indicates that there is an issue with a conversion or fragmentation object where no fields have been defined. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of a conversion program.
  Cause:
  
  No Fields Defined: The primary cause of this error is that the conversion or fragmentation object specified (denoted by &1 in the error message) does not have any fields defined. This could happen if the object was not properly configured or if there was an oversight during the setup process.
  Configuration Issues: There may be issues in the configuration of the data migration project, such as missing or incorrect settings in the relevant customizing tables.
  Technical Errors: There could be technical errors in the underlying code or logic that processes the conversion or fragmentation.
  
  Solution:
  
  Check Object Definition: Review the definition of the conversion or fragmentation object in the relevant transaction (e.g., transaction code LTMC for migration cockpit or other relevant tools). Ensure that fields are properly defined and mapped.
  Define Fields: If no fields are defined, you will need to define the necessary fields for the object. This may involve specifying the source and target fields, data types, and any transformation rules.
  Review Configuration: Check the configuration settings related to the data migration project. Ensure that all necessary customizing settings are in place and correctly configured.
  Consult Documentation: Refer to SAP documentation or guides related to the specific data migration tool you are using. This may provide insights into common pitfalls and how to resolve them.
  Debugging: If the issue persists, consider debugging the program or process that is generating the error. This may require technical expertise in ABAP or the specific migration tool being used.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC, LTMOM, or others related to data migration.
  SAP Community: Engage with the SAP Community or forums where other users may have encountered similar issues. They may provide insights or solutions based on their experiences.
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.