How To Fix CNV_DMC_SIN428 - &1: Field &2 is empty; field is mandatory for stock in handling units

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 428

• Message text: &1: Field &2 is empty; field is mandatory for stock in handling units

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_SIN428 - &1: Field &2 is empty; field is mandatory for stock in handling units ?

  The SAP error message CNV_DMC_SIN428 indicates that a mandatory field for stock in handling units is empty during a data migration or conversion process. This error typically arises in the context of using the SAP Data Migration Cockpit or during the migration of data from one system to another, particularly when dealing with handling units (HUs) in inventory management.
  Cause:
  
  
  Missing Mandatory Fields: The error suggests that a required field related to handling units is not populated. This could be due to:
  
  Incomplete data in the source system.
  Incorrect mapping of fields during the migration process.
  Data transformation issues where certain fields are not being filled correctly.
  
  
  
  Configuration Issues: There may be configuration settings in the SAP system that require certain fields to be filled for handling units, and these settings may not align with the data being migrated.
  
  
  Solution:
  
  
  Identify the Missing Field: The error message specifies which field (denoted as &2) is empty. Review the migration data to identify the specific field that is causing the issue.
  
  
  Check Source Data: Ensure that the source data contains all mandatory fields required for handling units. If the data is missing, you may need to update the source data before migration.
  
  
  Update Mapping: If the field is not being populated due to incorrect mapping, review the mapping configuration in the migration tool to ensure that all mandatory fields are correctly mapped from the source to the target system.
  
  
  Data Validation: Before running the migration, perform a data validation check to ensure that all mandatory fields are populated. This can help catch issues before they cause errors during the migration process.
  
  
  Consult Documentation: Refer to SAP documentation or the migration tool's guidelines to understand which fields are mandatory for handling units and ensure compliance.
  
  
  Testing: After making the necessary adjustments, conduct a test migration with a smaller dataset to verify that the issue has been resolved.
  
  
  Related Information:
  
  Handling Units (HUs): In SAP, handling units are used to manage stock in a more efficient way, allowing for better tracking and management of inventory.
  Data Migration Cockpit: This is a tool provided by SAP to facilitate the migration of data from legacy systems to SAP S/4HANA or other SAP systems.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling mandatory fields during migration.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.