How To Fix CNV550 - Field &1 in table &2 does not have a field of table &3 assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 550

• Message text: Field &1 in table &2 does not have a field of table &3 assigned

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 CNV550 - Field &1 in table &2 does not have a field of table &3 assigned ?

  The SAP error message "CNV550 Field &1 in table &2 does not have a field of table &3 assigned" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a mismatch or misconfiguration in the mapping of fields between different tables during the data transfer process.
  Cause:
  
  Field Mapping Issues: The field specified in the error message (Field &1) in the source table (Table &2) does not have a corresponding field in the target table (Table &3) that is properly assigned or mapped.
  Data Model Changes: If there have been changes in the data model (for example, during an upgrade or migration to S/4HANA), certain fields may have been removed, renamed, or their data types changed.
  Configuration Errors: Incorrect configuration in the migration settings or mapping definitions can lead to this error.
  Missing Custom Fields: If custom fields are involved, they may not be properly defined or included in the migration mapping.
  
  Solution:
  
  Check Field Mapping: Review the mapping configuration for the migration process. Ensure that all fields from the source table are correctly mapped to the corresponding fields in the target table.
  Update Data Model: If the error is due to changes in the data model, update the migration mapping to reflect the current structure of the target system.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the expected field mappings and any changes that may have occurred in the data model.
  Use Migration Cockpit: If using the SAP S/4HANA Migration Cockpit, utilize the cockpit's features to validate the mapping and check for any inconsistencies.
  Custom Fields: If custom fields are involved, ensure that they are defined in both the source and target systems and that they are included in the migration mapping.
  Testing: Perform a test migration with a smaller dataset to identify and resolve any mapping issues before executing a full migration.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to the error message or provide guidance on field mapping.
  Migration Tools: Familiarize yourself with the tools available for data migration, such as the SAP S/4HANA Migration Cockpit, SAP Data Services, or LSMW (Legacy System Migration Workbench).
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.